3103157475021 has 16 divisors (see below), whose sum is σ = 4147732290240. Its totient is φ = 2063677904640.

The previous prime is 3103157474999. The next prime is 3103157475031. The reversal of 3103157475021 is 1205747513013.

It is not a de Polignac number, because 3103157475021 - 2⁶ = 3103157474957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103157475031) 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, 17879941 + ... + 18052661.

It is an arithmetic number, because the mean of its divisors is an integer number (259233268140).

Almost surely, 2^{3103157475021} is an apocalyptic number.

It is an amenable number.

3103157475021 is a deficient number, since it is larger than the sum of its proper divisors (1044574815219).

3103157475021 is a wasteful number, since it uses less digits than its factorization.

3103157475021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187436.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 3103157475021 in words is "three trillion, one hundred three billion, one hundred fifty-seven million, four hundred seventy-five thousand, twenty-one".