3402131 has 2 divisors, whose sum is σ = 3402132. Its totient is φ = 3402130.

The previous prime is 3402127. The next prime is 3402143. The reversal of 3402131 is 1312043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3402131 - 2² = 3402127 is a prime.

It is a super-2 number, since 2×3402131² = 23148990682322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3402151) 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, 1701065 + 1701066.

It is an arithmetic number, because the mean of its divisors is an integer number (1701066).

Almost surely, 2^3402131 is an apocalyptic number.

3402131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3402131 is an equidigital number, since it uses as much as digits as its factorization.

3402131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3402131 is about 1844.4866494502. The cubic root of 3402131 is about 150.4008684828.

Adding to 3402131 its reverse (1312043), we get a palindrome (4714174).

The spelling of 3402131 in words is "three million, four hundred two thousand, one hundred thirty-one".