313213302553522 has 24 divisors (see below), whose sum is σ = 546528829651200. Its totient is φ = 134233393903560.

The previous prime is 313213302553513. The next prime is 313213302553603. The reversal of 313213302553522 is 225355203312313.

It is a super-2 number, since 2×313213302553522² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4700479 + ... + 25466077.

It is an arithmetic number, because the mean of its divisors is an integer number (22772034568800).

Almost surely, 2^{313213302553522} is an apocalyptic number.

313213302553522 is a deficient number, since it is larger than the sum of its proper divisors (233315527097678).

313213302553522 is a wasteful number, since it uses less digits than its factorization.

313213302553522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20919526 (or 20919519 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 40.

Adding to 313213302553522 its reverse (225355203312313), we get a palindrome (538568505865835).

The spelling of 313213302553522 in words is "three hundred thirteen trillion, two hundred thirteen billion, three hundred two million, five hundred fifty-three thousand, five hundred twenty-two".