32013131100 has 72 divisors (see below), whose sum is σ = 92926635648. Its totient is φ = 8509003200.

The previous prime is 32013131099. The next prime is 32013131113. The reversal of 32013131100 is 113131023.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 32013131100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81696 + ... + 265895.

Almost surely, 2^32013131100 is an apocalyptic number.

32013131100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32013131100 is an abundant number, since it is smaller than the sum of its proper divisors (60913504548).

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

32013131100 is a wasteful number, since it uses less digits than its factorization.

32013131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347915 (or 347908 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 32013131100 its reverse (113131023), we get a palindrome (32126262123).

The spelling of 32013131100 in words is "thirty-two billion, thirteen million, one hundred thirty-one thousand, one hundred".