313020100 has 36 divisors (see below), whose sum is σ = 682269700. Its totient is φ = 124652160.

The previous prime is 313020083. The next prime is 313020119. The reversal of 313020100 is 1020313.

It can be written as a sum of positive squares in 6 ways, for example, as 19377604 + 293642496 = 4402^2 + 17136^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16066 + ... + 29734.

Almost surely, 2^313020100 is an apocalyptic number.

It is an amenable number.

313020100 is an abundant number, since it is smaller than the sum of its proper divisors (369249600).

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

313020100 is a wasteful number, since it uses less digits than its factorization.

313020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13912 (or 13905 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 313020100 is about 17692.3740634207. The cubic root of 313020100 is about 678.9806671125.

Adding to 313020100 its reverse (1020313), we get a palindrome (314040413).

The spelling of 313020100 in words is "three hundred thirteen million, twenty thousand, one hundred".