2131599430 has 32 divisors (see below), whose sum is σ = 3967276320. Its totient is φ = 824052480.

The previous prime is 2131599427. The next prime is 2131599461. The reversal of 2131599430 is 349951312.

It is a super-2 number, since 2×2131599430² = 9087432259952649800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2131599430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19576 + ... + 68164.

It is an arithmetic number, because the mean of its divisors is an integer number (123977385).

Almost surely, 2^2131599430 is an apocalyptic number.

2131599430 is a deficient number, since it is larger than the sum of its proper divisors (1835676890).

2131599430 is a wasteful number, since it uses less digits than its factorization.

2131599430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48744.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 2131599430 is about 46169.2476655187. The cubic root of 2131599430 is about 1286.9703213473.

The spelling of 2131599430 in words is "two billion, one hundred thirty-one million, five hundred ninety-nine thousand, four hundred thirty".