313120331304420 has 96 divisors (see below), whose sum is σ = 877856087066112. Its totient is φ = 83392236433408.

The previous prime is 313120331304409. The next prime is 313120331304433. The reversal of 313120331304420 is 24403133021313.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146442544 + ... + 148565336.

It is an arithmetic number, because the mean of its divisors is an integer number (9144334240272).

Almost surely, 2^{313120331304420} is an apocalyptic number.

313120331304420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313120331304420 is an abundant number, since it is smaller than the sum of its proper divisors (564735755761692).

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

313120331304420 is a wasteful number, since it uses less digits than its factorization.

313120331304420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125941 (or 2125939 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 313120331304420 its reverse (24403133021313), we get a palindrome (337523464325733).

The spelling of 313120331304420 in words is "three hundred thirteen trillion, one hundred twenty billion, three hundred thirty-one million, three hundred four thousand, four hundred twenty".