402313111 has 2 divisors, whose sum is σ = 402313112. Its totient is φ = 402313110.

The previous prime is 402313103. The next prime is 402313123. The reversal of 402313111 is 111313204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402313111 - 2³ = 402313103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402313811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201156555 + 201156556.

It is an arithmetic number, because the mean of its divisors is an integer number (201156556).

Almost surely, 2^402313111 is an apocalyptic number.

402313111 is a deficient number, since it is larger than the sum of its proper divisors (1).

402313111 is an equidigital number, since it uses as much as digits as its factorization.

402313111 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 16.

The square root of 402313111 is about 20057.7444145647. The cubic root of 402313111 is about 738.2238330999.

Adding to 402313111 its reverse (111313204), we get a palindrome (513626315).

The spelling of 402313111 in words is "four hundred two million, three hundred thirteen thousand, one hundred eleven".