131430994128 has 120 divisors (see below), whose sum is σ = 433931004416. Its totient is φ = 36340358400.

The previous prime is 131430994091. The next prime is 131430994183. The reversal of 131430994128 is 821499034131.

131430994128 is a `hidden beast` number, since 1 + 3 + 1 + 430 + 9 + 94 + 128 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2071783 + ... + 2134278.

Almost surely, 2^131430994128 is an apocalyptic number.

131430994128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

131430994128 is an abundant number, since it is smaller than the sum of its proper divisors (302500010288).

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

131430994128 is a wasteful number, since it uses less digits than its factorization.

131430994128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206113 (or 4206104 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 131430994128 in words is "one hundred thirty-one billion, four hundred thirty million, nine hundred ninety-four thousand, one hundred twenty-eight".