31018014719 has 2 divisors, whose sum is σ = 31018014720. Its totient is φ = 31018014718.

The previous prime is 31018014679. The next prime is 31018014739. The reversal of 31018014719 is 91741081013.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31018014719 is a prime.

It is a super-2 number, since 2×31018014719² (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 (31018014739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15509007359 + 15509007360.

It is an arithmetic number, because the mean of its divisors is an integer number (15509007360).

Almost surely, 2^31018014719 is an apocalyptic number.

31018014719 is a deficient number, since it is larger than the sum of its proper divisors (1).

31018014719 is an equidigital number, since it uses as much as digits as its factorization.

31018014719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 35.

The spelling of 31018014719 in words is "thirty-one billion, eighteen million, fourteen thousand, seven hundred nineteen".