31201002319 has 2 divisors, whose sum is σ = 31201002320. Its totient is φ = 31201002318.

The previous prime is 31201002289. The next prime is 31201002331. The reversal of 31201002319 is 91320010213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31201002319 - 2⁷ = 31201002191 is a prime.

It is a super-2 number, since 2×31201002319² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31201002319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31201002389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15600501159 + 15600501160.

It is an arithmetic number, because the mean of its divisors is an integer number (15600501160).

Almost surely, 2^31201002319 is an apocalyptic number.

31201002319 is a deficient number, since it is larger than the sum of its proper divisors (1).

31201002319 is an equidigital number, since it uses as much as digits as its factorization.

31201002319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 31201002319 in words is "thirty-one billion, two hundred one million, two thousand, three hundred nineteen".