31464036 has 18 divisors (see below), whose sum is σ = 79534182. Its totient is φ = 10488000.

The previous prime is 31464031. The next prime is 31464047. The reversal of 31464036 is 63046413.

31464036 is a `hidden beast` number, since 3 + 14 + 640 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24206400 + 7257636 = 4920^2 + 2694^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×31464036² = 1979971122818592, which contains 22 as substring.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (31464031) 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, 436965 + ... + 437036.

Almost surely, 2^31464036 is an apocalyptic number.

31464036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

31464036 is an abundant number, since it is smaller than the sum of its proper divisors (48070146).

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

31464036 is a wasteful number, since it uses less digits than its factorization.

31464036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874011 (or 874006 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 31464036 is about 5609.2812373779. The cubic root of 31464036 is about 315.6977428126.

The spelling of 31464036 in words is "thirty-one million, four hundred sixty-four thousand, thirty-six".