2131507850 has 48 divisors (see below), whose sum is σ = 4117632288. Its totient is φ = 820290240.

The previous prime is 2131507843. The next prime is 2131507891. The reversal of 2131507850 is 587051312.

It is a super-2 number, since 2×2131507850² = 9086651429223245000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136652 + ... + 151448.

It is an arithmetic number, because the mean of its divisors is an integer number (85784006).

Almost surely, 2^2131507850 is an apocalyptic number.

2131507850 is a deficient number, since it is larger than the sum of its proper divisors (1986124438).

2131507850 is a wasteful number, since it uses less digits than its factorization.

2131507850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14919 (or 14914 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 2131507850 is about 46168.2558691575. The cubic root of 2131507850 is about 1286.9518903625.

The spelling of 2131507850 in words is "two billion, one hundred thirty-one million, five hundred seven thousand, eight hundred fifty".