2131102028 has 24 divisors (see below), whose sum is σ = 4110418704. Its totient is φ = 958694400.

The previous prime is 2131102021. The next prime is 2131102079. The reversal of 2131102028 is 8202011312.

It is not an unprimeable number, because it can be changed into a prime (2131102021) 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, 245393 + ... + 253928.

It is an arithmetic number, because the mean of its divisors is an integer number (171267446).

Almost surely, 2^2131102028 is an apocalyptic number.

It is an amenable number.

2131102028 is a deficient number, since it is larger than the sum of its proper divisors (1979316676).

2131102028 is a wasteful number, since it uses less digits than its factorization.

2131102028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499433 (or 499431 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2131102028 is about 46163.8606271183. The cubic root of 2131102028 is about 1286.8702100724.

The spelling of 2131102028 in words is "two billion, one hundred thirty-one million, one hundred two thousand, twenty-eight".