313121012313012 has 48 divisors (see below), whose sum is σ = 776603179215360. Its totient is φ = 97851809431552.

The previous prime is 313121012312987. The next prime is 313121012313037. The reversal of 313121012313012 is 210313210121313.

It is an interprime number because it is at equal distance from previous prime (313121012312987) and next prime (313121012313037).

It is a congruent number.

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, 2986147812 + ... + 2986252667.

It is an arithmetic number, because the mean of its divisors is an integer number (16179232900320).

Almost surely, 2^{313121012313012} is an apocalyptic number.

It is an amenable number.

313121012313012 is an abundant number, since it is smaller than the sum of its proper divisors (463482166902348).

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

313121012313012 is a wasteful number, since it uses less digits than its factorization.

313121012313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5972400760 (or 5972400758 counting only the distinct ones).

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

Adding to 313121012313012 its reverse (210313210121313), we get a palindrome (523434222434325).

The spelling of 313121012313012 in words is "three hundred thirteen trillion, one hundred twenty-one billion, twelve million, three hundred thirteen thousand, twelve".