32031232140 has 24 divisors (see below), whose sum is σ = 89687450160. Its totient is φ = 8541661888.

The previous prime is 32031232087. The next prime is 32031232147. The reversal of 32031232140 is 4123213023.

It is not an unprimeable number, because it can be changed into a prime (32031232147) 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, 266926875 + ... + 266926994.

It is an arithmetic number, because the mean of its divisors is an integer number (3736977090).

Almost surely, 2^32031232140 is an apocalyptic number.

32031232140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32031232140 is an abundant number, since it is smaller than the sum of its proper divisors (57656218020).

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

32031232140 is a wasteful number, since it uses less digits than its factorization.

32031232140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533853881 (or 533853879 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 32031232140 its reverse (4123213023), we get a palindrome (36154445163).

The spelling of 32031232140 in words is "thirty-two billion, thirty-one million, two hundred thirty-two thousand, one hundred forty".