3431326231397 has 2 divisors, whose sum is σ = 3431326231398. Its totient is φ = 3431326231396.

The previous prime is 3431326231337. The next prime is 3431326231409. The reversal of 3431326231397 is 7931326231343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1986969340801 + 1444356890596 = 1409599^2 + 1201814^2 .

It is a cyclic number.

It is not a de Polignac number, because 3431326231397 - 2³² = 3427031264101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3431326231337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715663115698 + 1715663115699.

It is an arithmetic number, because the mean of its divisors is an integer number (1715663115699).

Almost surely, 2^{3431326231397} is an apocalyptic number.

It is an amenable number.

3431326231397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431326231397 is an equidigital number, since it uses as much as digits as its factorization.

3431326231397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 47.

The spelling of 3431326231397 in words is "three trillion, four hundred thirty-one billion, three hundred twenty-six million, two hundred thirty-one thousand, three hundred ninety-seven".