313125102 has 20 divisors (see below), whose sum is σ = 701632536. Its totient is φ = 104374980.

The previous prime is 313125101. The next prime is 313125143. The reversal of 313125102 is 201521313.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313125101) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 966274 + ... + 966597.

Almost surely, 2^313125102 is an apocalyptic number.

313125102 is an abundant number, since it is smaller than the sum of its proper divisors (388507434).

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

313125102 is a wasteful number, since it uses less digits than its factorization.

313125102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932885 (or 1932876 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 313125102 is about 17695.3412513011. The cubic root of 313125102 is about 679.0565795514.

Adding to 313125102 its reverse (201521313), we get a palindrome (514646415).

The spelling of 313125102 in words is "three hundred thirteen million, one hundred twenty-five thousand, one hundred two".