34631631 has 24 divisors (see below), whose sum is σ = 52874640. Its totient is φ = 22643712.

The previous prime is 34631627. The next prime is 34631633. The reversal of 34631631 is 13613643.

34631631 is a `hidden beast` number, since 346 + 316 + 3 + 1 = 666.

It is not a de Polignac number, because 34631631 - 2² = 34631627 is a prime.

It is a super-2 number, since 2×34631631² = 2398699731440322, 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 = 34631595 and 34631604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34631633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11535 + ... + 14223.

It is an arithmetic number, because the mean of its divisors is an integer number (2203110).

Almost surely, 2^34631631 is an apocalyptic number.

34631631 is a deficient number, since it is larger than the sum of its proper divisors (18243009).

34631631 is an equidigital number, since it uses as much as digits as its factorization.

34631631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757 (or 2745 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 34631631 is about 5884.8645693848. The cubic root of 34631631 is about 325.9550008773.

The spelling of 34631631 in words is "thirty-four million, six hundred thirty-one thousand, six hundred thirty-one".