3401431997 has 2 divisors, whose sum is σ = 3401431998. Its totient is φ = 3401431996.

The previous prime is 3401431991. The next prime is 3401432033. The reversal of 3401431997 is 7991341043.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2636411716 + 765020281 = 51346^2 + 27659^2 .

It is a cyclic number.

It is not a de Polignac number, because 3401431997 - 2⁸ = 3401431741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3401431991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700715998 + 1700715999.

It is an arithmetic number, because the mean of its divisors is an integer number (1700715999).

Almost surely, 2^3401431997 is an apocalyptic number.

It is an amenable number.

3401431997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3401431997 is an equidigital number, since it uses as much as digits as its factorization.

3401431997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 3401431997 is about 58321.7969287641. The cubic root of 3401431997 is about 1503.9056730596.

The spelling of 3401431997 in words is "three billion, four hundred one million, four hundred thirty-one thousand, nine hundred ninety-seven".