3121456522413 has 16 divisors (see below), whose sum is σ = 4175770669056. Its totient is φ = 2074067718000.

The previous prime is 3121456522411. The next prime is 3121456522417. The reversal of 3121456522413 is 3142256541213.

It is not a de Polignac number, because 3121456522413 - 2¹ = 3121456522411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121456522411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243945 + ... + 2510462.

It is an arithmetic number, because the mean of its divisors is an integer number (260985666816).

Almost surely, 2^{3121456522413} is an apocalyptic number.

It is an amenable number.

3121456522413 is a deficient number, since it is larger than the sum of its proper divisors (1054314146643).

3121456522413 is a wasteful number, since it uses less digits than its factorization.

3121456522413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755664.

The product of its digits is 172800, while the sum is 39.

The spelling of 3121456522413 in words is "three trillion, one hundred twenty-one billion, four hundred fifty-six million, five hundred twenty-two thousand, four hundred thirteen".