88304431 has 2 divisors, whose sum is σ = 88304432. Its totient is φ = 88304430.

The previous prime is 88304417. The next prime is 88304441. The reversal of 88304431 is 13440388.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88304431 is a prime.

It is a super-2 number, since 2×88304431² = 15595345068467522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88304393 and 88304402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88304441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44152215 + 44152216.

It is an arithmetic number, because the mean of its divisors is an integer number (44152216).

Almost surely, 2^88304431 is an apocalyptic number.

88304431 is a deficient number, since it is larger than the sum of its proper divisors (1).

88304431 is an equidigital number, since it uses as much as digits as its factorization.

88304431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 88304431 is about 9397.0437372612. The cubic root of 88304431 is about 445.3083432980.

The spelling of 88304431 in words is "eighty-eight million, three hundred four thousand, four hundred thirty-one".