31264093243 has 2 divisors, whose sum is σ = 31264093244. Its totient is φ = 31264093242.

The previous prime is 31264093207. The next prime is 31264093261. The reversal of 31264093243 is 34239046213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31264093243 is a prime.

It is not a weakly prime, because it can be changed into another prime (31264093843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15632046621 + 15632046622.

It is an arithmetic number, because the mean of its divisors is an integer number (15632046622).

Almost surely, 2^31264093243 is an apocalyptic number.

31264093243 is a deficient number, since it is larger than the sum of its proper divisors (1).

31264093243 is an equidigital number, since it uses as much as digits as its factorization.

31264093243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 31264093243 in words is "thirty-one billion, two hundred sixty-four million, ninety-three thousand, two hundred forty-three".