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313101013321 = 4173104611097
BaseRepresentation
bin1001000111001100100…
…01100101000101001001
31002221011112210110102201
410203212101211011021
520112212324411241
6355500413200201
731422635462425
oct4434621450511
91087145713381
10313101013321
111108703a5538
1250820a90061
13236aa10a3b5
1411223083b85
158227915931
hex48e6465149

313101013321 has 8 divisors (see below), whose sum is σ = 325131292584. Its totient is φ = 301279956480.

The previous prime is 313101013231. The next prime is 313101013363. The reversal of 313101013321 is 123310101313.

It can be written as a sum of positive squares in 4 ways, for example, as 18512595721 + 294588417600 = 136061^2 + 542760^2 .

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 313101013321 - 27 = 313101013193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313101013021) 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, 52302556 + ... + 52308541.

It is an arithmetic number, because the mean of its divisors is an integer number (40641411573).

Almost surely, 2313101013321 is an apocalyptic number.

It is an amenable number.

313101013321 is a deficient number, since it is larger than the sum of its proper divisors (12030279263).

313101013321 is a wasteful number, since it uses less digits than its factorization.

313101013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104611211.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 313101013321 its reverse (123310101313), we get a palindrome (436411114634).

The spelling of 313101013321 in words is "three hundred thirteen billion, one hundred one million, thirteen thousand, three hundred twenty-one".

Divisors: 1 41 73 2993 104611097 4289054977 7636610081 313101013321