313110040521 has 16 divisors (see below), whose sum is σ = 431899171200. Its totient is φ = 201531243648.

The previous prime is 313110040519. The next prime is 313110040571. The reversal of 313110040521 is 125040011313.

It is not a de Polignac number, because 313110040521 - 2¹ = 313110040519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313110040571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1723725 + ... + 1896693.

It is an arithmetic number, because the mean of its divisors is an integer number (26993698200).

Almost surely, 2^313110040521 is an apocalyptic number.

It is an amenable number.

313110040521 is a deficient number, since it is larger than the sum of its proper divisors (118789130679).

313110040521 is a wasteful number, since it uses less digits than its factorization.

313110040521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193808.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 313110040521 its reverse (125040011313), we get a palindrome (438150051834).

The spelling of 313110040521 in words is "three hundred thirteen billion, one hundred ten million, forty thousand, five hundred twenty-one".