31112323093 has 2 divisors, whose sum is σ = 31112323094. Its totient is φ = 31112323092.

The previous prime is 31112323001. The next prime is 31112323127. The reversal of 31112323093 is 39032321113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30743414244 + 368908849 = 175338^2 + 19207^2 .

It is a cyclic number.

It is not a de Polignac number, because 31112323093 - 2⁹ = 31112322581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31112329093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556161546 + 15556161547.

It is an arithmetic number, because the mean of its divisors is an integer number (15556161547).

Almost surely, 2^31112323093 is an apocalyptic number.

It is an amenable number.

31112323093 is a deficient number, since it is larger than the sum of its proper divisors (1).

31112323093 is an equidigital number, since it uses as much as digits as its factorization.

31112323093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 31112323093 in words is "thirty-one billion, one hundred twelve million, three hundred twenty-three thousand, ninety-three".