3901031 has 2 divisors, whose sum is σ = 3901032. Its totient is φ = 3901030.

The previous prime is 3901019. The next prime is 3901033. The reversal of 3901031 is 1301093.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3901031 is a prime.

It is a super-2 number, since 2×3901031² = 30436085725922, which contains 22 as substring.

Together with 3901033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3901033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950515 + 1950516.

It is an arithmetic number, because the mean of its divisors is an integer number (1950516).

Almost surely, 2^3901031 is an apocalyptic number.

3901031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3901031 is an equidigital number, since it uses as much as digits as its factorization.

3901031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 3901031 is about 1975.1027821357. The cubic root of 3901031 is about 157.4199610120.

The spelling of 3901031 in words is "three million, nine hundred one thousand, thirty-one".