31203114411020 has 96 divisors (see below), whose sum is σ = 66463399403520. Its totient is φ = 12304240381440.

The previous prime is 31203114411019. The next prime is 31203114411187. The reversal of 31203114411020 is 2011441130213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331699832 + ... + 331793888.

It is an arithmetic number, because the mean of its divisors is an integer number (692327077120).

Almost surely, 2^{31203114411020} is an apocalyptic number.

It is an amenable number.

31203114411020 is an abundant number, since it is smaller than the sum of its proper divisors (35260284992500).

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

31203114411020 is a wasteful number, since it uses less digits than its factorization.

31203114411020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95023 (or 95021 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 31203114411020 its reverse (2011441130213), we get a palindrome (33214555541233).

The spelling of 31203114411020 in words is "thirty-one trillion, two hundred three billion, one hundred fourteen million, four hundred eleven thousand, twenty".