31422698743 has 2 divisors, whose sum is σ = 31422698744. Its totient is φ = 31422698742.

The previous prime is 31422698711. The next prime is 31422698771. The reversal of 31422698743 is 34789622413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31422698743 - 2⁵ = 31422698711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31422698143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711349371 + 15711349372.

It is an arithmetic number, because the mean of its divisors is an integer number (15711349372).

Almost surely, 2^31422698743 is an apocalyptic number.

31422698743 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422698743 is an equidigital number, since it uses as much as digits as its factorization.

31422698743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 49.

The spelling of 31422698743 in words is "thirty-one billion, four hundred twenty-two million, six hundred ninety-eight thousand, seven hundred forty-three".