3361431257 has 2 divisors, whose sum is σ = 3361431258. Its totient is φ = 3361431256.

The previous prime is 3361431251. The next prime is 3361431331. The reversal of 3361431257 is 7521341633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2828006041 + 533425216 = 53179^2 + 23096^2 .

It is a cyclic number.

It is not a de Polignac number, because 3361431257 - 2¹⁴ = 3361414873 is a prime.

It is a super-2 number, since 2×3361431257² = 22598440191073200098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3361431251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1680715628 + 1680715629.

It is an arithmetic number, because the mean of its divisors is an integer number (1680715629).

Almost surely, 2^3361431257 is an apocalyptic number.

It is an amenable number.

3361431257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3361431257 is an equidigital number, since it uses as much as digits as its factorization.

3361431257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 35.

The square root of 3361431257 is about 57977.8514348367. The cubic root of 3361431257 is about 1497.9871159252.

The spelling of 3361431257 in words is "three billion, three hundred sixty-one million, four hundred thirty-one thousand, two hundred fifty-seven".