313132100 has 18 divisors (see below), whose sum is σ = 679496874. Its totient is φ = 125252800.

The previous prime is 313132067. The next prime is 313132117. The reversal of 313132100 is 1231313.

It can be written as a sum of positive squares in 3 ways, for example, as 46267204 + 266864896 = 6802^2 + 16336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1565561 + ... + 1565760.

Almost surely, 2^313132100 is an apocalyptic number.

It is an amenable number.

313132100 is an abundant number, since it is smaller than the sum of its proper divisors (366364774).

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

313132100 is a wasteful number, since it uses less digits than its factorization.

313132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131335 (or 3131328 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 313132100 is about 17695.5389858574. The cubic root of 313132100 is about 679.0616382351.

Adding to 313132100 its reverse (1231313), we get a palindrome (314363413).

The spelling of 313132100 in words is "three hundred thirteen million, one hundred thirty-two thousand, one hundred".