31754245723 has 2 divisors, whose sum is σ = 31754245724. Its totient is φ = 31754245722.

The previous prime is 31754245711. The next prime is 31754245741. The reversal of 31754245723 is 32754245713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31754245723 - 2²⁵ = 31720691291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31754245723.

It is not a weakly prime, because it can be changed into another prime (31754243723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15877122861 + 15877122862.

It is an arithmetic number, because the mean of its divisors is an integer number (15877122862).

Almost surely, 2^31754245723 is an apocalyptic number.

31754245723 is a deficient number, since it is larger than the sum of its proper divisors (1).

31754245723 is an equidigital number, since it uses as much as digits as its factorization.

31754245723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 43.

The spelling of 31754245723 in words is "thirty-one billion, seven hundred fifty-four million, two hundred forty-five thousand, seven hundred twenty-three".