31037473013 has 8 divisors (see below), whose sum is σ = 31858629816. Its totient is φ = 30226392000.

The previous prime is 31037473007. The next prime is 31037473063.

31037473013 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 8807259409 + 22230213604 = 93847^2 + 149098^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 31037473013 - 2¹⁴ = 31037456629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31037473063) 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, 2512706 + ... + 2525027.

It is an arithmetic number, because the mean of its divisors is an integer number (3982328727).

Almost surely, 2^31037473013 is an apocalyptic number.

It is an amenable number.

31037473013 is a deficient number, since it is larger than the sum of its proper divisors (821156803).

31037473013 is a wasteful number, since it uses less digits than its factorization.

31037473013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037895.

The product of its (nonzero) digits is 15876, while the sum is 32.

The spelling of 31037473013 in words is "thirty-one billion, thirty-seven million, four hundred seventy-three thousand, thirteen".