31743145745748 has 72 divisors (see below), whose sum is σ = 83010004721280. Its totient is φ = 10215753710400.

The previous prime is 31743145745737. The next prime is 31743145745761. The reversal of 31743145745748 is 84754754134713.

31743145745748 is a `hidden beast` number, since 3 + 1 + 7 + 4 + 3 + 1 + 4 + 57 + 4 + 574 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24584161 + ... + 25843127.

It is an arithmetic number, because the mean of its divisors is an integer number (1152916732240).

Almost surely, 2^{31743145745748} is an apocalyptic number.

It is an amenable number.

31743145745748 is an abundant number, since it is smaller than the sum of its proper divisors (51266858975532).

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

31743145745748 is a wasteful number, since it uses less digits than its factorization.

31743145745748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283157 (or 1283152 counting only the distinct ones).

The product of its digits is 158054400, while the sum is 63.

The spelling of 31743145745748 in words is "thirty-one trillion, seven hundred forty-three billion, one hundred forty-five million, seven hundred forty-five thousand, seven hundred forty-eight".