3134431397 has 2 divisors, whose sum is σ = 3134431398. Its totient is φ = 3134431396.

The previous prime is 3134431393. The next prime is 3134431409. The reversal of 3134431397 is 7931344313.

3134431397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2994387841 + 140043556 = 54721^2 + 11834^2 .

It is an emirp because it is prime and its reverse (7931344313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3134431397 - 2² = 3134431393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3134431397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3134431393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1567215698 + 1567215699.

It is an arithmetic number, because the mean of its divisors is an integer number (1567215699).

Almost surely, 2^3134431397 is an apocalyptic number.

It is an amenable number.

3134431397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3134431397 is an equidigital number, since it uses as much as digits as its factorization.

3134431397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 38.

The square root of 3134431397 is about 55985.9928642870. The cubic root of 3134431397 is about 1463.4781957773.

The spelling of 3134431397 in words is "three billion, one hundred thirty-four million, four hundred thirty-one thousand, three hundred ninety-seven".