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313110021113 = 7691985320509
BaseRepresentation
bin1001000111001101100…
…11111100001111111001
31002221012011202002210122
410203212303330033321
520112222131133423
6355501334223025
731423105160261
oct4434663741771
91087164662718
10313110021113
1111087549819a
1250823ab4a75
13236abc42456
141122434a7a1
1582285e48c8
hex48e6cfc3f9

313110021113 has 8 divisors (see below), whose sum is σ = 313548265800. Its totient is φ = 312671858688.

The previous prime is 313110021101. The next prime is 313110021139. The reversal of 313110021113 is 311120011313.

It can be written as a sum of positive squares in 4 ways, for example, as 11580409 + 313098440704 = 3403^2 + 559552^2 .

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-313110021113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313110021091 and 313110021100.

It is not an unprimeable number, because it can be changed into a prime (313110021193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15256703 + ... + 15277211.

It is an arithmetic number, because the mean of its divisors is an integer number (39193533225).

Almost surely, 2313110021113 is an apocalyptic number.

It is an amenable number.

313110021113 is a deficient number, since it is larger than the sum of its proper divisors (438244687).

313110021113 is a wasteful number, since it uses less digits than its factorization.

313110021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41131.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 313110021113 its reverse (311120011313), we get a palindrome (624230032426).

The spelling of 313110021113 in words is "three hundred thirteen billion, one hundred ten million, twenty-one thousand, one hundred thirteen".

Divisors: 1 769 19853 20509 15266957 15771421 407165177 313110021113