31311332119 has 2 divisors, whose sum is σ = 31311332120. Its totient is φ = 31311332118.

The previous prime is 31311332083. The next prime is 31311332123. The reversal of 31311332119 is 91123311313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31311332119 - 2¹⁹ = 31310807831 is a prime.

It is a super-2 number, since 2×31311332119² (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 (31311332519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15655666059 + 15655666060.

It is an arithmetic number, because the mean of its divisors is an integer number (15655666060).

Almost surely, 2^31311332119 is an apocalyptic number.

31311332119 is a deficient number, since it is larger than the sum of its proper divisors (1).

31311332119 is an equidigital number, since it uses as much as digits as its factorization.

31311332119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 28.

The spelling of 31311332119 in words is "thirty-one billion, three hundred eleven million, three hundred thirty-two thousand, one hundred nineteen".