31334340042020 has 24 divisors (see below), whose sum is σ = 69672826682424. Its totient is φ = 11796457427456.

The previous prime is 31334340042011. The next prime is 31334340042041. The reversal of 31334340042020 is 2024004343313.

It can be written as a sum of positive squares in 4 ways, for example, as 12736390540864 + 18597949501156 = 3568808^2 + 4312534^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46079911487 + ... + 46079912166.

It is an arithmetic number, because the mean of its divisors is an integer number (2903034445101).

Almost surely, 2^{31334340042020} is an apocalyptic number.

It is an amenable number.

31334340042020 is an abundant number, since it is smaller than the sum of its proper divisors (38338486640404).

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

31334340042020 is a wasteful number, since it uses less digits than its factorization.

31334340042020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92159823679 (or 92159823677 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 31334340042020 its reverse (2024004343313), we get a palindrome (33358344385333).

The spelling of 31334340042020 in words is "thirty-one trillion, three hundred thirty-four billion, three hundred forty million, forty-two thousand, twenty".