244245431 has 2 divisors, whose sum is σ = 244245432. Its totient is φ = 244245430.

The previous prime is 244245389. The next prime is 244245451. The reversal of 244245431 is 134542442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 244245431 - 2⁶ = 244245367 is a prime.

It is a super-2 number, since 2×244245431² = 119311661128751522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244245394 and 244245403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244245451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122122715 + 122122716.

It is an arithmetic number, because the mean of its divisors is an integer number (122122716).

Almost surely, 2^244245431 is an apocalyptic number.

244245431 is a deficient number, since it is larger than the sum of its proper divisors (1).

244245431 is an equidigital number, since it uses as much as digits as its factorization.

244245431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 29.

The square root of 244245431 is about 15628.3534321438. The cubic root of 244245431 is about 625.0894216588.

Adding to 244245431 its reverse (134542442), we get a palindrome (378787873).

The spelling of 244245431 in words is "two hundred forty-four million, two hundred forty-five thousand, four hundred thirty-one".