402241124431 has 2 divisors, whose sum is σ = 402241124432. Its totient is φ = 402241124430.

The previous prime is 402241124407. The next prime is 402241124501. The reversal of 402241124431 is 134421142204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402241124431 - 2⁵ = 402241124399 is a prime.

It is a super-2 number, since 2×402241124431² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402241124431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402241124231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201120562215 + 201120562216.

It is an arithmetic number, because the mean of its divisors is an integer number (201120562216).

Almost surely, 2^402241124431 is an apocalyptic number.

402241124431 is a deficient number, since it is larger than the sum of its proper divisors (1).

402241124431 is an equidigital number, since it uses as much as digits as its factorization.

402241124431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 402241124431 its reverse (134421142204), we get a palindrome (536662266635).

The spelling of 402241124431 in words is "four hundred two billion, two hundred forty-one million, one hundred twenty-four thousand, four hundred thirty-one".