31454956 has 72 divisors (see below), whose sum is σ = 65587200. Its totient is φ = 13141440.

The previous prime is 31454953. The next prime is 31454957. The reversal of 31454956 is 65945413.

Its product of digits (64800) is a multiple of the sum of its prime divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31454953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 398125 + ... + 398203.

Almost surely, 2^31454956 is an apocalyptic number.

It is an amenable number.

31454956 is an abundant number, since it is smaller than the sum of its proper divisors (34132244).

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

31454956 is a wasteful number, since it uses less digits than its factorization.

31454956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 144 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 31454956 is about 5608.4718061162. The cubic root of 31454956 is about 315.6673715098.

The spelling of 31454956 in words is "thirty-one million, four hundred fifty-four thousand, nine hundred fifty-six".