31354136534104 has 64 divisors (see below), whose sum is σ = 59884667136000. Its totient is φ = 15386061611520.

The previous prime is 31354136534093. The next prime is 31354136534107. The reversal of 31354136534104 is 40143563145313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31354136534107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442488342 + ... + 442559194.

It is an arithmetic number, because the mean of its divisors is an integer number (935697924000).

Almost surely, 2^{31354136534104} is an apocalyptic number.

It is an amenable number.

31354136534104 is a deficient number, since it is larger than the sum of its proper divisors (28530530601896).

31354136534104 is a wasteful number, since it uses less digits than its factorization.

31354136534104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72908 (or 72904 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

Adding to 31354136534104 its reverse (40143563145313), we get a palindrome (71497699679417).

The spelling of 31354136534104 in words is "thirty-one trillion, three hundred fifty-four billion, one hundred thirty-six million, five hundred thirty-four thousand, one hundred four".