131770032 has 20 divisors (see below), whose sum is σ = 340406040. Its totient is φ = 43923328.

The previous prime is 131770019. The next prime is 131770049. The reversal of 131770032 is 230077131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 131769984 and 131770011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372557 + ... + 1372652.

It is an arithmetic number, because the mean of its divisors is an integer number (17020302).

Almost surely, 2^131770032 is an apocalyptic number.

131770032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131770032 is an abundant number, since it is smaller than the sum of its proper divisors (208636008).

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

131770032 is a wasteful number, since it uses less digits than its factorization.

131770032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745220 (or 2745214 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 131770032 is about 11479.1128577081. The cubic root of 131770032 is about 508.8684794701.

The spelling of 131770032 in words is "one hundred thirty-one million, seven hundred seventy thousand, thirty-two".