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311313031001201 = 1297684135086313
BaseRepresentation
bin100011011001000110011011…
…0101000000111010001110001
31111211021020100101122202000202
41012302030312220013101301
5311301023041414014301
63022035122044324545
7122400424056402155
oct10662146650072161
91454236311582022
10311313031001201
119021512a0a4809
122aaba674243755
1310492901292068
1456c38b9a29065
1525ece766ee66b
hex11b2336a07471

311313031001201 has 8 divisors (see below), whose sum is σ = 311598607383624. Its totient is φ = 311027524807680.

The previous prime is 311313031001173. The next prime is 311313031001233. The reversal of 311313031001201 is 102100130313113.

It can be written as a sum of positive squares in 4 ways, for example, as 208485298560400 + 102827732440801 = 14439020^2 + 10140401^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-311313031001201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311313031001501) 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, 8670380 + ... + 26415933.

It is an arithmetic number, because the mean of its divisors is an integer number (38949825922953).

Almost surely, 2311313031001201 is an apocalyptic number.

It is an amenable number.

311313031001201 is a deficient number, since it is larger than the sum of its proper divisors (285576382423).

311313031001201 is a wasteful number, since it uses less digits than its factorization.

311313031001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35094451.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 311313031001201 its reverse (102100130313113), we get a palindrome (413413161314314).

The spelling of 311313031001201 in words is "three hundred eleven trillion, three hundred thirteen billion, thirty-one million, one thousand, two hundred one".

Divisors: 1 1297 6841 8872777 35086313 45506947961 240025467233 311313031001201