313100311101220 has 48 divisors (see below), whose sum is σ = 671574718503360. Its totient is φ = 122585067057024.

The previous prime is 313100311101161. The next prime is 313100311101233. The reversal of 313100311101220 is 22101113001313.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743920030 + ... + 744340789.

It is an arithmetic number, because the mean of its divisors is an integer number (13991139968820).

Almost surely, 2^{313100311101220} is an apocalyptic number.

It is an amenable number.

313100311101220 is an abundant number, since it is smaller than the sum of its proper divisors (358474407402140).

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

313100311101220 is a wasteful number, since it uses less digits than its factorization.

313100311101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488261052 (or 1488261050 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 313100311101220 its reverse (22101113001313), we get a palindrome (335201424102533).

The spelling of 313100311101220 in words is "three hundred thirteen trillion, one hundred billion, three hundred eleven million, one hundred one thousand, two hundred twenty".