47031132 has 12 divisors (see below), whose sum is σ = 109739336. Its totient is φ = 15677040.

The previous prime is 47031097. The next prime is 47031133. The reversal of 47031132 is 23113074.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 47031099 and 47031108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47031133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1959619 + ... + 1959642.

Almost surely, 2^47031132 is an apocalyptic number.

It is an amenable number.

47031132 is an abundant number, since it is smaller than the sum of its proper divisors (62708204).

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

47031132 is a wasteful number, since it uses less digits than its factorization.

47031132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919268 (or 3919266 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 47031132 is about 6857.9247589923. The cubic root of 47031132 is about 360.9622712596.

The spelling of 47031132 in words is "forty-seven million, thirty-one thousand, one hundred thirty-two".