31040742553507 has 2 divisors, whose sum is σ = 31040742553508. Its totient is φ = 31040742553506.

The previous prime is 31040742553493. The next prime is 31040742553633. The reversal of 31040742553507 is 70535524704013.

It is a weak prime.

It is an emirp because it is prime and its reverse (70535524704013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31040742553507 - 2²³ = 31040734164899 is a prime.

It is not a weakly prime, because it can be changed into another prime (31040742553307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15520371276753 + 15520371276754.

It is an arithmetic number, because the mean of its divisors is an integer number (15520371276754).

Almost surely, 2^{31040742553507} is an apocalyptic number.

31040742553507 is a deficient number, since it is larger than the sum of its proper divisors (1).

31040742553507 is an equidigital number, since it uses as much as digits as its factorization.

31040742553507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764000, while the sum is 46.

The spelling of 31040742553507 in words is "thirty-one trillion, forty billion, seven hundred forty-two million, five hundred fifty-three thousand, five hundred seven".