42631108 has 12 divisors (see below), whose sum is σ = 80343340. Its totient is φ = 19675872.

The previous prime is 42631091. The next prime is 42631123. The reversal of 42631108 is 80113624.

It can be written as a sum of positive squares in 2 ways, for example, as 15507844 + 27123264 = 3938^2 + 5208^2 .

It is a super-2 number, since 2×42631108² = 3634822738615328, which contains 22 as substring.

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, 409863 + ... + 409966.

Almost surely, 2^42631108 is an apocalyptic number.

It is an amenable number.

42631108 is a deficient number, since it is larger than the sum of its proper divisors (37712232).

42631108 is a wasteful number, since it uses less digits than its factorization.

42631108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819846 (or 819844 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 42631108 is about 6529.2501866600. The cubic root of 42631108 is about 349.3350859257.

The spelling of 42631108 in words is "forty-two million, six hundred thirty-one thousand, one hundred eight".