32131503408 has 40 divisors (see below), whose sum is σ = 83015811648. Its totient is φ = 10709284672.

The previous prime is 32131503403. The next prime is 32131503419. The reversal of 32131503408 is 80430513123.

It is a super-2 number, since 2×32131503408² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32131503403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454891 + ... + 520757.

Almost surely, 2^32131503408 is an apocalyptic number.

It is an amenable number.

32131503408 is an abundant number, since it is smaller than the sum of its proper divisors (50884308240).

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

32131503408 is a wasteful number, since it uses less digits than its factorization.

32131503408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76041 (or 76035 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 32131503408 in words is "thirty-two billion, one hundred thirty-one million, five hundred three thousand, four hundred eight".