313131102 has 16 divisors (see below), whose sum is σ = 638079120. Its totient is φ = 102407552.

The previous prime is 313131089. The next prime is 313131107. The reversal of 313131102 is 201131313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313131107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492027 + ... + 492662.

It is an arithmetic number, because the mean of its divisors is an integer number (39879945).

Almost surely, 2^313131102 is an apocalyptic number.

313131102 is an abundant number, since it is smaller than the sum of its proper divisors (324948018).

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

313131102 is a wasteful number, since it uses less digits than its factorization.

313131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984747.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 313131102 is about 17695.5107866374. The cubic root of 313131102 is about 679.0609168098.

Adding to 313131102 its reverse (201131313), we get a palindrome (514262415).

The spelling of 313131102 in words is "three hundred thirteen million, one hundred thirty-one thousand, one hundred two".