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313112021323311 = 33710493200949339
BaseRepresentation
bin100011100110001100001001…
…0110011100100111000101111
31112001122012212010022221211000
41013030120102303210320233
5312020011404424321221
63025533402110331343
7122644411531004010
oct10714302263447057
91461565763287730
10313112021323311
1190849076250461
122b14b25a4b9b53
131059344c28c012
1457469ba28b007
15262eb677b3e26
hex11cc612ce4e2f

313112021323311 has 64 divisors (see below), whose sum is σ = 530669462400000. Its totient is φ = 178741384321536.

The previous prime is 313112021323271. The next prime is 313112021323373. The reversal of 313112021323311 is 113323120211313.

313112021323311 is a `hidden beast` number, since 3 + 1 + 3 + 1 + 1 + 2 + 0 + 21 + 323 + 311 = 666.

It is not a de Polignac number, because 313112021323311 - 215 = 313112021290543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313112021303311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6346111680 + ... + 6346161018.

It is an arithmetic number, because the mean of its divisors is an integer number (8291710350000).

Almost surely, 2313112021323311 is an apocalyptic number.

313112021323311 is a deficient number, since it is larger than the sum of its proper divisors (217557441076689).

313112021323311 is a wasteful number, since it uses less digits than its factorization.

313112021323311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82413 (or 82407 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 313112021323311 its reverse (113323120211313), we get a palindrome (426435141534624).

The spelling of 313112021323311 in words is "three hundred thirteen trillion, one hundred twelve billion, twenty-one million, three hundred twenty-three thousand, three hundred eleven".

Divisors: 1 3 7 9 21 27 63 189 1049 3147 7343 9441 22029 28323 32009 49339 66087 96027 148017 198261 224063 288081 345373 444051 672189 864243 1036119 1332153 2016567 3108357 6049701 9325071 33577441 51756611 100732323 155269833 235042087 302196969 362296277 465809499 705126261 906590907 1086888831 1397428497 1579292051 2115378783 3260666493 4737876153 6346136349 9781999479 11055044357 14213628459 33165133071 42640885377 99495399213 298486197639 1656677361499 4970032084497 11596741530493 14910096253491 34790224591479 44730288760473 104370673774437 313112021323311