3312319397 has 2 divisors, whose sum is σ = 3312319398. Its totient is φ = 3312319396.

The previous prime is 3312319363. The next prime is 3312319399. The reversal of 3312319397 is 7939132133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3100151041 + 212168356 = 55679^2 + 14566^2 .

It is a cyclic number.

It is not a de Polignac number, because 3312319397 - 2¹⁸ = 3312057253 is a prime.

Together with 3312319399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3312319399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656159698 + 1656159699.

It is an arithmetic number, because the mean of its divisors is an integer number (1656159699).

Almost surely, 2^3312319397 is an apocalyptic number.

It is an amenable number.

3312319397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3312319397 is an equidigital number, since it uses as much as digits as its factorization.

3312319397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91854, while the sum is 41.

The square root of 3312319397 is about 57552.7531661171. The cubic root of 3312319397 is about 1490.6558974397.

The spelling of 3312319397 in words is "three billion, three hundred twelve million, three hundred nineteen thousand, three hundred ninety-seven".