31074336 has 36 divisors (see below), whose sum is σ = 88368462. Its totient is φ = 10358016.

The previous prime is 31074331. The next prime is 31074343. The reversal of 31074336 is 63347013.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 27248400 + 3825936 = 5220^2 + 1956^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×31074336² = 1931228715681792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31074331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53661 + ... + 54236.

Almost surely, 2^31074336 is an apocalyptic number.

31074336 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

31074336 is an abundant number, since it is smaller than the sum of its proper divisors (57294126).

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

31074336 is a wasteful number, since it uses less digits than its factorization.

31074336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107913 (or 107902 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 31074336 is about 5574.4359355903. The cubic root of 31074336 is about 314.3889590746.

The spelling of 31074336 in words is "thirty-one million, seventy-four thousand, three hundred thirty-six".