31628552132 has 12 divisors (see below), whose sum is σ = 56637175056. Its totient is φ = 15446502120.

The previous prime is 31628552117. The next prime is 31628552149. The reversal of 31628552132 is 23125582613.

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, 91943294 + ... + 91943637.

It is an arithmetic number, because the mean of its divisors is an integer number (4719764588).

Almost surely, 2^31628552132 is an apocalyptic number.

It is an amenable number.

31628552132 is a deficient number, since it is larger than the sum of its proper divisors (25008622924).

31628552132 is a wasteful number, since it uses less digits than its factorization.

31628552132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183886978 (or 183886976 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The spelling of 31628552132 in words is "thirty-one billion, six hundred twenty-eight million, five hundred fifty-two thousand, one hundred thirty-two".