3431209997 has 2 divisors, whose sum is σ = 3431209998. Its totient is φ = 3431209996.

The previous prime is 3431209937. The next prime is 3431210039. The reversal of 3431209997 is 7999021343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3427634116 + 3575881 = 58546^2 + 1891^2 .

It is a cyclic number.

It is not a de Polignac number, because 3431209997 - 2⁶ = 3431209933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3431209937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715604998 + 1715604999.

It is an arithmetic number, because the mean of its divisors is an integer number (1715604999).

Almost surely, 2^3431209997 is an apocalyptic number.

It is an amenable number.

3431209997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431209997 is an equidigital number, since it uses as much as digits as its factorization.

3431209997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 3431209997 is about 58576.5311110175. The cubic root of 3431209997 is about 1508.2815995551.

The spelling of 3431209997 in words is "three billion, four hundred thirty-one million, two hundred nine thousand, nine hundred ninety-seven".