31431714285748 has 36 divisors (see below), whose sum is σ = 64036813165920. Its totient is φ = 13460035037232.

The previous prime is 31431714285743. The next prime is 31431714285749. The reversal of 31431714285748 is 84758241713413.

It is a junction number, because it is equal to n+sod(n) for n = 31431714285692 and 31431714285701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31431714285743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63441040 + ... + 63934567.

It is an arithmetic number, because the mean of its divisors is an integer number (1778800365720).

Almost surely, 2^{31431714285748} is an apocalyptic number.

It is an amenable number.

31431714285748 is an abundant number, since it is smaller than the sum of its proper divisors (32605098880172).

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

31431714285748 is a wasteful number, since it uses less digits than its factorization.

31431714285748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127376884 (or 127376875 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 58.

The spelling of 31431714285748 in words is "thirty-one trillion, four hundred thirty-one billion, seven hundred fourteen million, two hundred eighty-five thousand, seven hundred forty-eight".