402031141 has 2 divisors, whose sum is σ = 402031142. Its totient is φ = 402031140.

The previous prime is 402031121. The next prime is 402031151. The reversal of 402031141 is 141130204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254530116 + 147501025 = 15954^2 + 12145^2 .

It is a cyclic number.

It is not a de Polignac number, because 402031141 - 2⁵ = 402031109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402031121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201015570 + 201015571.

It is an arithmetic number, because the mean of its divisors is an integer number (201015571).

Almost surely, 2^402031141 is an apocalyptic number.

It is an amenable number.

402031141 is a deficient number, since it is larger than the sum of its proper divisors (1).

402031141 is an equidigital number, since it uses as much as digits as its factorization.

402031141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 402031141 is about 20050.7142266803. The cubic root of 402031141 is about 738.0513259838.

Adding to 402031141 its reverse (141130204), we get a palindrome (543161345).

The spelling of 402031141 in words is "four hundred two million, thirty-one thousand, one hundred forty-one".