313123121202 has 16 divisors (see below), whose sum is σ = 626992672320. Its totient is φ = 104249968752.

The previous prime is 313123121197. The next prime is 313123121251. The reversal of 313123121202 is 202121321313.

It is an unprimeable number.

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, 31095793 + ... + 31105860.

It is an arithmetic number, because the mean of its divisors is an integer number (39187042020).

Almost surely, 2^313123121202 is an apocalyptic number.

313123121202 is an abundant number, since it is smaller than the sum of its proper divisors (313869551118).

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

313123121202 is a wasteful number, since it uses less digits than its factorization.

313123121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62202497.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 313123121202 its reverse (202121321313), we get a palindrome (515244442515).

The spelling of 313123121202 in words is "three hundred thirteen billion, one hundred twenty-three million, one hundred twenty-one thousand, two hundred two".