31422737023 has 2 divisors, whose sum is σ = 31422737024. Its totient is φ = 31422737022.

The previous prime is 31422737009. The next prime is 31422737033. The reversal of 31422737023 is 32073722413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31422737023 - 2⁹ = 31422736511 is a prime.

It is a super-2 number, since 2×31422737023² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31422737023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31422737033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711368511 + 15711368512.

It is an arithmetic number, because the mean of its divisors is an integer number (15711368512).

Almost surely, 2^31422737023 is an apocalyptic number.

31422737023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422737023 is an equidigital number, since it uses as much as digits as its factorization.

31422737023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 34.

The spelling of 31422737023 in words is "thirty-one billion, four hundred twenty-two million, seven hundred thirty-seven thousand, twenty-three".