31240034107 has 2 divisors, whose sum is σ = 31240034108. Its totient is φ = 31240034106.

The previous prime is 31240034087. The next prime is 31240034123. The reversal of 31240034107 is 70143004213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31240034107 is a prime.

It is not a weakly prime, because it can be changed into another prime (31240034197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15620017053 + 15620017054.

It is an arithmetic number, because the mean of its divisors is an integer number (15620017054).

Almost surely, 2^31240034107 is an apocalyptic number.

31240034107 is a deficient number, since it is larger than the sum of its proper divisors (1).

31240034107 is an equidigital number, since it uses as much as digits as its factorization.

31240034107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 31240034107 in words is "thirty-one billion, two hundred forty million, thirty-four thousand, one hundred seven".