2131012902 has 16 divisors (see below), whose sum is σ = 4263008112. Its totient is φ = 710173920.

The previous prime is 2131012831. The next prime is 2131012907. The reversal of 2131012902 is 2092101312.

2131012902 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131012907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11049 + ... + 66212.

It is an arithmetic number, because the mean of its divisors is an integer number (266438007).

Almost surely, 2^2131012902 is an apocalyptic number.

2131012902 is an abundant number, since it is smaller than the sum of its proper divisors (2131995210).

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

2131012902 is a wasteful number, since it uses less digits than its factorization.

2131012902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81863.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 2131012902 is about 46162.8952948144. The cubic root of 2131012902 is about 1286.8522701846.

The spelling of 2131012902 in words is "two billion, one hundred thirty-one million, twelve thousand, nine hundred two".