313113220131012 has 48 divisors (see below), whose sum is σ = 835042369580160. Its totient is φ = 89453014762752.

The previous prime is 313113220130983. The next prime is 313113220131097. The reversal of 313113220131012 is 210131022311313.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163736937 + ... + 165638192.

It is an arithmetic number, because the mean of its divisors is an integer number (17396716032920).

Almost surely, 2^{313113220131012} is an apocalyptic number.

It is an amenable number.

313113220131012 is an abundant number, since it is smaller than the sum of its proper divisors (521929149449148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313113220131012 is a wasteful number, since it uses less digits than its factorization.

313113220131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329386460 (or 329386458 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 313113220131012 its reverse (210131022311313), we get a palindrome (523244242442325).

The spelling of 313113220131012 in words is "three hundred thirteen trillion, one hundred thirteen billion, two hundred twenty million, one hundred thirty-one thousand, twelve".