311420122 has 16 divisors (see below), whose sum is σ = 503459712. Its totient is φ = 143619120.

The previous prime is 311420119. The next prime is 311420159. The reversal of 311420122 is 221024113.

It is a junction number, because it is equal to n+sod(n) for n = 311420096 and 311420105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35323 + ... + 43249.

It is an arithmetic number, because the mean of its divisors is an integer number (31466232).

Almost surely, 2^311420122 is an apocalyptic number.

311420122 is a deficient number, since it is larger than the sum of its proper divisors (192039590).

311420122 is a wasteful number, since it uses less digits than its factorization.

311420122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9453.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 311420122 is about 17647.0995350511. The cubic root of 311420122 is about 677.8218380765.

Adding to 311420122 its reverse (221024113), we get a palindrome (532444235).

The spelling of 311420122 in words is "three hundred eleven million, four hundred twenty thousand, one hundred twenty-two".