1040317260731 has 8 divisors (see below), whose sum is σ = 1188982134240. Its totient is φ = 891664417728.

The previous prime is 1040317260721. The next prime is 1040317260761. The reversal of 1040317260731 is 1370627130401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1040317260731 is a prime.

It is a super-2 number, since 2×1040317260731² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040317260691 and 1040317260700.

It is not an unprimeable number, because it can be changed into a prime (1040317260701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2821556 + ... + 3168881.

It is an arithmetic number, because the mean of its divisors is an integer number (148622766780).

Almost surely, 2^{1040317260731} is an apocalyptic number.

1040317260731 is a deficient number, since it is larger than the sum of its proper divisors (148664873509).

1040317260731 is an equidigital number, since it uses as much as digits as its factorization.

1040317260731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6015253.

The product of its (nonzero) digits is 21168, while the sum is 35.

The spelling of 1040317260731 in words is "one trillion, forty billion, three hundred seventeen million, two hundred sixty thousand, seven hundred thirty-one".