313632612 has 18 divisors (see below), whose sum is σ = 792793638. Its totient is φ = 104544192.

The previous prime is 313632589. The next prime is 313632617. The reversal of 313632612 is 216236313.

It is a happy number.

313632612 is a `hidden beast` number, since 3 + 13 + 6 + 32 + 612 = 666.

It can be written as a sum of positive squares in only one way, i.e., 307160676 + 6471936 = 17526^2 + 2544^2 .

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

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

It is not an unprimeable number, because it can be changed into a prime (313632617) 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, 4355973 + ... + 4356044.

It is an arithmetic number, because the mean of its divisors is an integer number (44044091).

Almost surely, 2^313632612 is an apocalyptic number.

It is an amenable number.

313632612 is an abundant number, since it is smaller than the sum of its proper divisors (479161026).

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

313632612 is a wasteful number, since it uses less digits than its factorization.

313632612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712027 (or 8712022 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 313632612 is about 17709.6756604970. The cubic root of 313632612 is about 679.4232508702.

Adding to 313632612 its reverse (216236313), we get a palindrome (529868925).

The spelling of 313632612 in words is "three hundred thirteen million, six hundred thirty-two thousand, six hundred twelve".