313021120202112 has 128 divisors (see below), whose sum is σ = 950266071786240. Its totient is φ = 89432404789248.

The previous prime is 313021120202111. The next prime is 313021120202137. The reversal of 313021120202112 is 211202021120313.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313021120202111) 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, 109405858 + ... + 112230494.

It is an arithmetic number, because the mean of its divisors is an integer number (7423953685830).

Almost surely, 2^{313021120202112} is an apocalyptic number.

313021120202112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

313021120202112 is an abundant number, since it is smaller than the sum of its proper divisors (637244951584128).

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

313021120202112 is a wasteful number, since it uses less digits than its factorization.

313021120202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865888 (or 2865876 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 313021120202112 its reverse (211202021120313), we get a palindrome (524223141322425).

The spelling of 313021120202112 in words is "three hundred thirteen trillion, twenty-one billion, one hundred twenty million, two hundred two thousand, one hundred twelve".