29342431 has 2 divisors, whose sum is σ = 29342432. Its totient is φ = 29342430.

The previous prime is 29342413. The next prime is 29342477. The reversal of 29342431 is 13424392.

Together with previous prime (29342413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29342431 - 2¹¹ = 29340383 is a prime.

It is a super-2 number, since 2×29342431² = 1721956513979522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29342431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29342491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14671215 + 14671216.

It is an arithmetic number, because the mean of its divisors is an integer number (14671216).

Almost surely, 2^29342431 is an apocalyptic number.

29342431 is a deficient number, since it is larger than the sum of its proper divisors (1).

29342431 is an equidigital number, since it uses as much as digits as its factorization.

29342431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 29342431 is about 5416.8654219945. The cubic root of 29342431 is about 308.4362142843.

It can be divided in two parts, 293 and 42431, that added together give a palindrome (42724).

The spelling of 29342431 in words is "twenty-nine million, three hundred forty-two thousand, four hundred thirty-one".