31414551155420 has 12 divisors (see below), whose sum is σ = 65970557426424. Its totient is φ = 12565820462160.

The previous prime is 31414551155419. The next prime is 31414551155443. The reversal of 31414551155420 is 2455115541413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785363778866 + ... + 785363778905.

It is an arithmetic number, because the mean of its divisors is an integer number (5497546452202).

Almost surely, 2^{31414551155420} is an apocalyptic number.

It is an amenable number.

31414551155420 is an abundant number, since it is smaller than the sum of its proper divisors (34556006271004).

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

31414551155420 is a wasteful number, since it uses less digits than its factorization.

31414551155420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570727557780 (or 1570727557778 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 41.

Adding to 31414551155420 its reverse (2455115541413), we get a palindrome (33869666696833).

The spelling of 31414551155420 in words is "thirty-one trillion, four hundred fourteen billion, five hundred fifty-one million, one hundred fifty-five thousand, four hundred twenty".