31749713083 has 18 divisors (see below), whose sum is σ = 36060648036. Its totient is φ = 27932196600.

The previous prime is 31749713081. The next prime is 31749713113. The reversal of 31749713083 is 38031794713.

It is not a de Polignac number, because 31749713083 - 2¹ = 31749713081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31749713081) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20241 + ... + 252802.

Almost surely, 2^31749713083 is an apocalyptic number.

31749713083 is a deficient number, since it is larger than the sum of its proper divisors (4310934953).

31749713083 is a wasteful number, since it uses less digits than its factorization.

31749713083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273127 (or 273085 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 31749713083 in words is "thirty-one billion, seven hundred forty-nine million, seven hundred thirteen thousand, eighty-three".