3781600331 has 2 divisors, whose sum is σ = 3781600332. Its totient is φ = 3781600330.

The previous prime is 3781600283. The next prime is 3781600337. The reversal of 3781600331 is 1330061873.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3781600331 is a prime.

It is a super-2 number, since 2×3781600331² = 28601002126838619122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3781600337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890800165 + 1890800166.

It is an arithmetic number, because the mean of its divisors is an integer number (1890800166).

Almost surely, 2^3781600331 is an apocalyptic number.

3781600331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3781600331 is an equidigital number, since it uses as much as digits as its factorization.

3781600331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3781600331 is about 61494.7179113784. The cubic root of 3781600331 is about 1557.9680331179.

The spelling of 3781600331 in words is "three billion, seven hundred eighty-one million, six hundred thousand, three hundred thirty-one".