32131233320 has 16 divisors (see below), whose sum is σ = 72295275060. Its totient is φ = 12852493312.

The previous prime is 32131233311. The next prime is 32131233479. The reversal of 32131233320 is 2333213123.

It can be written as a sum of positive squares in 2 ways, for example, as 30410476996 + 1720756324 = 174386^2 + 41482^2 .

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, 401640377 + ... + 401640456.

Almost surely, 2^32131233320 is an apocalyptic number.

It is an amenable number.

32131233320 is an abundant number, since it is smaller than the sum of its proper divisors (40164041740).

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

32131233320 is a wasteful number, since it uses less digits than its factorization.

32131233320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803280844 (or 803280840 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 32131233320 its reverse (2333213123), we get a palindrome (34464446443).

The spelling of 32131233320 in words is "thirty-two billion, one hundred thirty-one million, two hundred thirty-three thousand, three hundred twenty".