3345987431 has 2 divisors, whose sum is σ = 3345987432. Its totient is φ = 3345987430.

The previous prime is 3345987427. The next prime is 3345987443. The reversal of 3345987431 is 1347895433.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3345987431 - 2² = 3345987427 is a prime.

It is a super-2 number, since 2×3345987431² = 22391263776819959522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3345987401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672993715 + 1672993716.

It is an arithmetic number, because the mean of its divisors is an integer number (1672993716).

Almost surely, 2^3345987431 is an apocalyptic number.

3345987431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345987431 is an equidigital number, since it uses as much as digits as its factorization.

3345987431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 47.

The square root of 3345987431 is about 57844.5108113121. The cubic root of 3345987431 is about 1495.6894663617.

The spelling of 3345987431 in words is "three billion, three hundred forty-five million, nine hundred eighty-seven thousand, four hundred thirty-one".