1313412560021 has 32 divisors (see below), whose sum is σ = 1384117984512. Its totient is φ = 1245347550720.

The previous prime is 1313412560011. The next prime is 1313412560107. The reversal of 1313412560021 is 1200652143131.

It is a cyclic number.

It is not a de Polignac number, because 1313412560021 - 2²⁶ = 1313345451157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313412560011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44761271 + ... + 44790603.

It is an arithmetic number, because the mean of its divisors is an integer number (43253687016).

Almost surely, 2^{1313412560021} is an apocalyptic number.

It is an amenable number.

1313412560021 is a deficient number, since it is larger than the sum of its proper divisors (70705424491).

1313412560021 is a wasteful number, since it uses less digits than its factorization.

1313412560021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29693.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 1313412560021 in words is "one trillion, three hundred thirteen billion, four hundred twelve million, five hundred sixty thousand, twenty-one".