402314131 has 2 divisors, whose sum is σ = 402314132. Its totient is φ = 402314130.

The previous prime is 402314123. The next prime is 402314153. The reversal of 402314131 is 131413204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402314131 - 2³ = 402314123 is a prime.

It is a super-2 number, since 2×402314131² = 323713320004570322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402314099 and 402314108.

It is not a weakly prime, because it can be changed into another prime (402314111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201157065 + 201157066.

It is an arithmetic number, because the mean of its divisors is an integer number (201157066).

Almost surely, 2^402314131 is an apocalyptic number.

402314131 is a deficient number, since it is larger than the sum of its proper divisors (1).

402314131 is an equidigital number, since it uses as much as digits as its factorization.

402314131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 402314131 is about 20057.7698411364. The cubic root of 402314131 is about 738.2244569819.

Adding to 402314131 its reverse (131413204), we get a palindrome (533727335).

The spelling of 402314131 in words is "four hundred two million, three hundred fourteen thousand, one hundred thirty-one".