31422307093 has 2 divisors, whose sum is σ = 31422307094. Its totient is φ = 31422307092.

The previous prime is 31422307067. The next prime is 31422307151. The reversal of 31422307093 is 39070322413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18039981969 + 13382325124 = 134313^2 + 115682^2 .

It is a cyclic number.

It is not a de Polignac number, because 31422307093 - 2¹⁷ = 31422176021 is a prime.

It is a super-2 number, since 2×31422307093² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31422307013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711153546 + 15711153547.

It is an arithmetic number, because the mean of its divisors is an integer number (15711153547).

Almost surely, 2^31422307093 is an apocalyptic number.

It is an amenable number.

31422307093 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422307093 is an equidigital number, since it uses as much as digits as its factorization.

31422307093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 31422307093 in words is "thirty-one billion, four hundred twenty-two million, three hundred seven thousand, ninety-three".