31043034013 has 4 divisors (see below), whose sum is σ = 32392731168. Its totient is φ = 29693336860.

The previous prime is 31043033951. The next prime is 31043034049.

It is a happy number.

31043034013 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31043034013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31043034413) 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, 674848543 + ... + 674848588.

It is an arithmetic number, because the mean of its divisors is an integer number (8098182792).

Almost surely, 2^31043034013 is an apocalyptic number.

It is an amenable number.

31043034013 is a deficient number, since it is larger than the sum of its proper divisors (1349697155).

31043034013 is a wasteful number, since it uses less digits than its factorization.

31043034013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349697154.

The product of its (nonzero) digits is 1296, while the sum is 22.

It can be divided in two parts, 310430 and 34013, that added together give a palindrome (344443).

The spelling of 31043034013 in words is "thirty-one billion, forty-three million, thirty-four thousand, thirteen".