3131465464 has 8 divisors (see below), whose sum is σ = 5871497760. Its totient is φ = 1565732728.

The previous prime is 3131465461. The next prime is 3131465483. The reversal of 3131465464 is 4645641313.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131465461) 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 as a sum of consecutive naturals, namely, 195716584 + ... + 195716599.

It is an arithmetic number, because the mean of its divisors is an integer number (733937220).

Almost surely, 2^3131465464 is an apocalyptic number.

It is an amenable number.

3131465464 is a deficient number, since it is larger than the sum of its proper divisors (2740032296).

3131465464 is a wasteful number, since it uses less digits than its factorization.

3131465464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391433189 (or 391433185 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 3131465464 is about 55959.4984252003. The cubic root of 3131465464 is about 1463.0164482250.

The spelling of 3131465464 in words is "three billion, one hundred thirty-one million, four hundred sixty-five thousand, four hundred sixty-four".