313111509308 has 72 divisors (see below), whose sum is σ = 611095329936. Its totient is φ = 139541425920.

The previous prime is 313111509307. The next prime is 313111509341. The reversal of 313111509308 is 803905111313.

It is a super-2 number, since 2×313111509308² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313111509307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23330216 + ... + 23343632.

It is an arithmetic number, because the mean of its divisors is an integer number (8487435138).

Almost surely, 2^313111509308 is an apocalyptic number.

It is an amenable number.

313111509308 is a deficient number, since it is larger than the sum of its proper divisors (297983820628).

313111509308 is a wasteful number, since it uses less digits than its factorization.

313111509308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13963 (or 13930 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 313111509308 in words is "three hundred thirteen billion, one hundred eleven million, five hundred nine thousand, three hundred eight".