31141722263 has 2 divisors, whose sum is σ = 31141722264. Its totient is φ = 31141722262.

The previous prime is 31141722193. The next prime is 31141722281. The reversal of 31141722263 is 36222714113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31141722263 - 2²⁰ = 31140673687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31141722863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15570861131 + 15570861132.

It is an arithmetic number, because the mean of its divisors is an integer number (15570861132).

Almost surely, 2^31141722263 is an apocalyptic number.

31141722263 is a deficient number, since it is larger than the sum of its proper divisors (1).

31141722263 is an equidigital number, since it uses as much as digits as its factorization.

31141722263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The spelling of 31141722263 in words is "thirty-one billion, one hundred forty-one million, seven hundred twenty-two thousand, two hundred sixty-three".