31113004319 has 2 divisors, whose sum is σ = 31113004320. Its totient is φ = 31113004318.

The previous prime is 31113004267. The next prime is 31113004343. The reversal of 31113004319 is 91340031113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31113004319 - 2¹² = 31113000223 is a prime.

It is a super-2 number, since 2×31113004319² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31113004919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556502159 + 15556502160.

It is an arithmetic number, because the mean of its divisors is an integer number (15556502160).

Almost surely, 2^31113004319 is an apocalyptic number.

31113004319 is a deficient number, since it is larger than the sum of its proper divisors (1).

31113004319 is an equidigital number, since it uses as much as digits as its factorization.

31113004319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 31113004319 in words is "thirty-one billion, one hundred thirteen million, four thousand, three hundred nineteen".