1313921003922 has 30 divisors (see below), whose sum is σ = 2944189015383. Its totient is φ = 437968804788.

The previous prime is 1313921003921. The next prime is 1313921003953. The reversal of 1313921003922 is 2293001293131.

1313921003922 is a `hidden beast` number, since 131 + 39 + 2 + 100 + 392 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 656960501961 + 656960501961 = 810531^2 + 810531^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=810531.

It is not an unprimeable number, because it can be changed into a prime (1313921003921) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 14544529 + ... + 14634587.

Almost surely, 2^{1313921003922} is an apocalyptic number.

1313921003922 is an abundant number, since it is smaller than the sum of its proper divisors (1630268011461).

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

1313921003922 is an frugal number, since it uses more digits than its factorization.

1313921003922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180132 (or 90064 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 1313921003922 in words is "one trillion, three hundred thirteen billion, nine hundred twenty-one million, three thousand, nine hundred twenty-two".