332117631 has 16 divisors (see below), whose sum is σ = 513419520. Its totient is φ = 211784760.

The previous prime is 332117609. The next prime is 332117647. The reversal of 332117631 is 136711233.

332117631 is a `hidden beast` number, since 3 + 3 + 21 + 1 + 7 + 631 = 666.

It is not a de Polignac number, because 332117631 - 2⁶ = 332117567 is a prime.

It is a super-2 number, since 2×332117631² = 220604241642104322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 332117595 and 332117604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332113631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266785 + ... + 268026.

It is an arithmetic number, because the mean of its divisors is an integer number (32088720).

Almost surely, 2^332117631 is an apocalyptic number.

332117631 is a deficient number, since it is larger than the sum of its proper divisors (181301889).

332117631 is a wasteful number, since it uses less digits than its factorization.

332117631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534843 (or 534837 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 332117631 is about 18224.0947923347. The cubic root of 332117631 is about 692.5173266093.

Adding to 332117631 its reverse (136711233), we get a palindrome (468828864).

The spelling of 332117631 in words is "three hundred thirty-two million, one hundred seventeen thousand, six hundred thirty-one".