31346964 has 36 divisors (see below), whose sum is σ = 86442720. Its totient is φ = 9498960.

The previous prime is 31346947. The next prime is 31346969. The reversal of 31346964 is 46964313.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31346969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39184 + ... + 39975.

Almost surely, 2^31346964 is an apocalyptic number.

It is an amenable number.

31346964 is an abundant number, since it is smaller than the sum of its proper divisors (55095756).

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

31346964 is a wasteful number, since it uses less digits than its factorization.

31346964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79180 (or 79175 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 31346964 is about 5598.8359504454. The cubic root of 31346964 is about 315.3057047320.

The spelling of 31346964 in words is "thirty-one million, three hundred forty-six thousand, nine hundred sixty-four".