31790133699119 has 2 divisors, whose sum is σ = 31790133699120. Its totient is φ = 31790133699118.

The previous prime is 31790133699073. The next prime is 31790133699157. The reversal of 31790133699119 is 91199633109713.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31790133699119 is a prime.

It is a super-2 number, since 2×31790133699119² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31790133699179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15895066849559 + 15895066849560.

It is an arithmetic number, because the mean of its divisors is an integer number (15895066849560).

Almost surely, 2^{31790133699119} is an apocalyptic number.

31790133699119 is a deficient number, since it is larger than the sum of its proper divisors (1).

31790133699119 is an equidigital number, since it uses as much as digits as its factorization.

31790133699119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7440174, while the sum is 62.

The spelling of 31790133699119 in words is "thirty-one trillion, seven hundred ninety billion, one hundred thirty-three million, six hundred ninety-nine thousand, one hundred nineteen".