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313123203311 = 2577691584367
BaseRepresentation
bin1001000111001111001…
…10001110100011101111
31002221020002112211101012
410203213212032203233
520112234020001221
6355502524535435
731423325212322
oct4434746164357
91087202484335
10313123203311
11110881981176
12508283b157b
13236b18a9579
1411225dbc7b9
15822984a65b
hex48e798e8ef

313123203311 has 8 divisors (see below), whose sum is σ = 314750546880. Its totient is φ = 311499030528.

The previous prime is 313123203209. The next prime is 313123203353. The reversal of 313123203311 is 113302321313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313123203311 - 226 = 313056094447 is a prime.

It is a super-2 number, since 2×3131232033112 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313123203361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594551 + ... + 989816.

It is an arithmetic number, because the mean of its divisors is an integer number (39343818360).

Almost surely, 2313123203311 is an apocalyptic number.

313123203311 is a deficient number, since it is larger than the sum of its proper divisors (1627343569).

313123203311 is a wasteful number, since it uses less digits than its factorization.

313123203311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585393.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 313123203311 its reverse (113302321313), we get a palindrome (426425524624).

The spelling of 313123203311 in words is "three hundred thirteen billion, one hundred twenty-three million, two hundred three thousand, three hundred eleven".

Divisors: 1 257 769 197633 1584367 407182319 1218378223 313123203311