313331202121002 has 32 divisors (see below), whose sum is σ = 674875901051520. Its totient is φ = 96408358297920.

The previous prime is 313331202120977. The next prime is 313331202121031. The reversal of 313331202121002 is 200121202133313.

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, 19781449 + ... + 31905612.

It is an arithmetic number, because the mean of its divisors is an integer number (21089871907860).

Almost surely, 2^{313331202121002} is an apocalyptic number.

313331202121002 is an abundant number, since it is smaller than the sum of its proper divisors (361544698930518).

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

313331202121002 is a wasteful number, since it uses less digits than its factorization.

313331202121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51764798.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 313331202121002 its reverse (200121202133313), we get a palindrome (513452404254315).

The spelling of 313331202121002 in words is "three hundred thirteen trillion, three hundred thirty-one billion, two hundred two million, one hundred twenty-one thousand, two".