88242431 has 2 divisors, whose sum is σ = 88242432. Its totient is φ = 88242430.

The previous prime is 88242409. The next prime is 88242433. The reversal of 88242431 is 13424288.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88242431 is a prime.

It is a super-2 number, since 2×88242431² = 15573453257579522, which contains 22 as substring.

Together with 88242433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88242433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44121215 + 44121216.

It is an arithmetic number, because the mean of its divisors is an integer number (44121216).

Almost surely, 2^88242431 is an apocalyptic number.

88242431 is a deficient number, since it is larger than the sum of its proper divisors (1).

88242431 is an equidigital number, since it uses as much as digits as its factorization.

88242431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 32.

The square root of 88242431 is about 9393.7442481686. The cubic root of 88242431 is about 445.2040994487.

The spelling of 88242431 in words is "eighty-eight million, two hundred forty-two thousand, four hundred thirty-one".