313206242520 has 96 divisors (see below), whose sum is σ = 991675303920. Its totient is φ = 79125776640.

The previous prime is 313206242513. The next prime is 313206242579. The reversal of 313206242520 is 25242602313.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3571711 + ... + 3658350.

Almost surely, 2^313206242520 is an apocalyptic number.

313206242520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313206242520 is an abundant number, since it is smaller than the sum of its proper divisors (678469061400).

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

313206242520 is a wasteful number, since it uses less digits than its factorization.

313206242520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7230113 (or 7230090 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 313206242520 its reverse (25242602313), we get a palindrome (338448844833).

The spelling of 313206242520 in words is "three hundred thirteen billion, two hundred six million, two hundred forty-two thousand, five hundred twenty".