311421302422142 has 32 divisors (see below), whose sum is σ = 517956791500800. Its totient is φ = 139233426242400.

The previous prime is 311421302422141. The next prime is 311421302422147. The reversal of 311421302422142 is 241224203124113.

It is a junction number, because it is equal to n+sod(n) for n = 311421302422099 and 311421302422108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311421302422141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176047859 + ... + 177808017.

It is an arithmetic number, because the mean of its divisors is an integer number (16186149734400).

Almost surely, 2^{311421302422142} is an apocalyptic number.

311421302422142 is a deficient number, since it is larger than the sum of its proper divisors (206535489078658).

311421302422142 is a wasteful number, since it uses less digits than its factorization.

311421302422142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892072.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 311421302422142 its reverse (241224203124113), we get a palindrome (552645505546255).

The spelling of 311421302422142 in words is "three hundred eleven trillion, four hundred twenty-one billion, three hundred two million, four hundred twenty-two thousand, one hundred forty-two".