313120002220002 has 24 divisors (see below), whose sum is σ = 678574251963036. Its totient is φ = 104350629383136.

The previous prime is 313120002219953. The next prime is 313120002220019. The reversal of 313120002220002 is 200022200021313.

It can be written as a sum of positive squares in 2 ways, for example, as 293075944930521 + 20044057289481 = 17119461^2 + 4477059^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1891972473 + ... + 1892137964.

Almost surely, 2^{313120002220002} is an apocalyptic number.

313120002220002 is an abundant number, since it is smaller than the sum of its proper divisors (365454249743034).

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

313120002220002 is a wasteful number, since it uses less digits than its factorization.

313120002220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784115042 (or 3784115039 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 313120002220002 its reverse (200022200021313), we get a palindrome (513142202241315).

The spelling of 313120002220002 in words is "three hundred thirteen trillion, one hundred twenty billion, two million, two hundred twenty thousand, two".