46931131 has 12 divisors (see below), whose sum is σ = 51215112. Its totient is φ = 42983616.

The previous prime is 46931119. The next prime is 46931141. The reversal of 46931131 is 13113964.

It is not a de Polignac number, because 46931131 - 2²¹ = 44833979 is a prime.

It is a super-2 number, since 2×46931131² = 4405062113878322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 46931131.

It is not an unprimeable number, because it can be changed into a prime (46931111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22140 + ... + 24166.

It is an arithmetic number, because the mean of its divisors is an integer number (4267926).

Almost surely, 2^46931131 is an apocalyptic number.

46931131 is a deficient number, since it is larger than the sum of its proper divisors (4283981).

46931131 is a wasteful number, since it uses less digits than its factorization.

46931131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2177 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 46931131 is about 6850.6299710319. The cubic root of 46931131 is about 360.7062550100.

The spelling of 46931131 in words is "forty-six million, nine hundred thirty-one thousand, one hundred thirty-one".