31052640713 has 4 divisors (see below), whose sum is σ = 31182568320. Its totient is φ = 30922713108.

The previous prime is 31052640659. The next prime is 31052640719. The reversal of 31052640713 is 31704625013.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31704625013 = 449 ⋅70611637.

It is a cyclic number.

It is not a de Polignac number, because 31052640713 - 2⁶ = 31052640649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31052640713.

It is not an unprimeable number, because it can be changed into a prime (31052640719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64963445 + ... + 64963922.

It is an arithmetic number, because the mean of its divisors is an integer number (7795642080).

Almost surely, 2^31052640713 is an apocalyptic number.

It is an amenable number.

31052640713 is a deficient number, since it is larger than the sum of its proper divisors (129927607).

31052640713 is a wasteful number, since it uses less digits than its factorization.

31052640713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129927606.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 31052640713 in words is "thirty-one billion, fifty-two million, six hundred forty thousand, seven hundred thirteen".