31045367016757 has 4 divisors (see below), whose sum is σ = 31174185967276. Its totient is φ = 30916548066240.

The previous prime is 31045367016751. The next prime is 31045367016817. The reversal of 31045367016757 is 75761076354013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23174682652081 + 7870684364676 = 4814009^2 + 2805474^2 .

It is a cyclic number.

It is not a de Polignac number, because 31045367016757 - 2²³ = 31045358628149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31045367016698 and 31045367016707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31045367016751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64409474898 + ... + 64409475379.

It is an arithmetic number, because the mean of its divisors is an integer number (7793546491819).

Almost surely, 2^{31045367016757} is an apocalyptic number.

It is an amenable number.

31045367016757 is a deficient number, since it is larger than the sum of its proper divisors (128818950519).

31045367016757 is a wasteful number, since it uses less digits than its factorization.

31045367016757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128818950518.

The product of its (nonzero) digits is 11113200, while the sum is 55.

The spelling of 31045367016757 in words is "thirty-one trillion, forty-five billion, three hundred sixty-seven million, sixteen thousand, seven hundred fifty-seven".