31312022123119 has 2 divisors, whose sum is σ = 31312022123120. Its totient is φ = 31312022123118.

The previous prime is 31312022123099. The next prime is 31312022123153. The reversal of 31312022123119 is 91132122021313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31312022123119 is a prime.

It is a super-3 number, since 3×31312022123119³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31312022123159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15656011061559 + 15656011061560.

It is an arithmetic number, because the mean of its divisors is an integer number (15656011061560).

Almost surely, 2^{31312022123119} is an apocalyptic number.

31312022123119 is a deficient number, since it is larger than the sum of its proper divisors (1).

31312022123119 is an equidigital number, since it uses as much as digits as its factorization.

31312022123119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 31312022123119 in words is "thirty-one trillion, three hundred twelve billion, twenty-two million, one hundred twenty-three thousand, one hundred nineteen".