31034643013 has 12 divisors (see below), whose sum is σ = 34178003244. Its totient is φ = 28159102400.

The previous prime is 31034643011. The next prime is 31034643037.

31034643013 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 7595645409 + 23438997604 = 87153^2 + 153098^2 .

It is not a de Polignac number, because 31034643013 - 2¹ = 31034643011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31034643011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183106 + ... + 309187.

It is an arithmetic number, because the mean of its divisors is an integer number (2848166937).

Almost surely, 2^31034643013 is an apocalyptic number.

It is an amenable number.

31034643013 is a deficient number, since it is larger than the sum of its proper divisors (3143360231).

31034643013 is a wasteful number, since it uses less digits than its factorization.

31034643013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492836 (or 492825 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The spelling of 31034643013 in words is "thirty-one billion, thirty-four million, six hundred forty-three thousand, thirteen".