311313222020010 has 32 divisors (see below), whose sum is σ = 853887694684032. Its totient is φ = 71157307890240.

The previous prime is 311313222019973. The next prime is 311313222020023. The reversal of 311313222020010 is 10020222313113.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 741221956981 + ... + 741221957400.

It is an arithmetic number, because the mean of its divisors is an integer number (26683990458876).

Almost surely, 2^{311313222020010} is an apocalyptic number.

311313222020010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311313222020010 is an abundant number, since it is smaller than the sum of its proper divisors (542574472664022).

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

311313222020010 is a wasteful number, since it uses less digits than its factorization.

311313222020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482443914398.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 311313222020010 its reverse (10020222313113), we get a palindrome (321333444333123).

The spelling of 311313222020010 in words is "three hundred eleven trillion, three hundred thirteen billion, two hundred twenty-two million, twenty thousand, ten".