31431104545332 has 48 divisors (see below), whose sum is σ = 75321978405632. Its totient is φ = 10193791524480.

The previous prime is 31431104545319. The next prime is 31431104545361. The reversal of 31431104545332 is 23354540113413.

31431104545332 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86892798 + ... + 87253770.

Almost surely, 2^{31431104545332} is an apocalyptic number.

It is an amenable number.

31431104545332 is an abundant number, since it is smaller than the sum of its proper divisors (43890873860300).

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

31431104545332 is a wasteful number, since it uses less digits than its factorization.

31431104545332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557128 (or 557126 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 31431104545332 its reverse (23354540113413), we get a palindrome (54785644658745).

The spelling of 31431104545332 in words is "thirty-one trillion, four hundred thirty-one billion, one hundred four million, five hundred forty-five thousand, three hundred thirty-two".