10131943400 has 24 divisors (see below), whose sum is σ = 23556768870. Its totient is φ = 4052777280.

The previous prime is 10131943391. The next prime is 10131943421. The reversal of 10131943400 is 434913101.

It can be written as a sum of positive squares in 3 ways, for example, as 8918535844 + 1213407556 = 94438^2 + 34834^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10131943400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25329659 + ... + 25330058.

Almost surely, 2^10131943400 is an apocalyptic number.

10131943400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10131943400 is an abundant number, since it is smaller than the sum of its proper divisors (13424825470).

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

10131943400 is a wasteful number, since it uses less digits than its factorization.

10131943400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50659733 (or 50659724 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 10131943400 in words is "ten billion, one hundred thirty-one million, nine hundred forty-three thousand, four hundred".