402043431211 has 2 divisors, whose sum is σ = 402043431212. Its totient is φ = 402043431210.

The previous prime is 402043431169. The next prime is 402043431221. The reversal of 402043431211 is 112134340204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402043431211 - 2²⁷ = 401909213483 is a prime.

It is not a weakly prime, because it can be changed into another prime (402043431221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201021715605 + 201021715606.

It is an arithmetic number, because the mean of its divisors is an integer number (201021715606).

Almost surely, 2^402043431211 is an apocalyptic number.

402043431211 is a deficient number, since it is larger than the sum of its proper divisors (1).

402043431211 is an equidigital number, since it uses as much as digits as its factorization.

402043431211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 402043431211 its reverse (112134340204), we get a palindrome (514177771415).

The spelling of 402043431211 in words is "four hundred two billion, forty-three million, four hundred thirty-one thousand, two hundred eleven".