313121012213024 has 48 divisors (see below), whose sum is σ = 618689398594176. Its totient is φ = 155993558572800.

The previous prime is 313121012212919. The next prime is 313121012213029. The reversal of 313121012213024 is 420312210121313.

It is a junction number, because it is equal to n+sod(n) for n = 313121012212984 and 313121012213002.

It is not an unprimeable number, because it can be changed into a prime (313121012213029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206358139 + ... + 1206617669.

It is an arithmetic number, because the mean of its divisors is an integer number (12889362470712).

Almost surely, 2^{313121012213024} is an apocalyptic number.

It is an amenable number.

313121012213024 is a deficient number, since it is larger than the sum of its proper divisors (305568386381152).

313121012213024 is a wasteful number, since it uses less digits than its factorization.

313121012213024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395929 (or 395921 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 313121012213024 its reverse (420312210121313), we get a palindrome (733433222334337).

The spelling of 313121012213024 in words is "three hundred thirteen trillion, one hundred twenty-one billion, twelve million, two hundred thirteen thousand, twenty-four".