31422000097 has 2 divisors, whose sum is σ = 31422000098. Its totient is φ = 31422000096.

The previous prime is 31422000089. The next prime is 31422000119. The reversal of 31422000097 is 79000022413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31379996736 + 42003361 = 177144^2 + 6481^2 .

It is a cyclic number.

It is not a de Polignac number, because 31422000097 - 2³ = 31422000089 is a prime.

It is not a weakly prime, because it can be changed into another prime (31422000007) 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, 15711000048 + 15711000049.

It is an arithmetic number, because the mean of its divisors is an integer number (15711000049).

Almost surely, 2^31422000097 is an apocalyptic number.

It is an amenable number.

31422000097 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422000097 is an equidigital number, since it uses as much as digits as its factorization.

31422000097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The spelling of 31422000097 in words is "thirty-one billion, four hundred twenty-two million, ninety-seven", and thus it is an aban number.