70244431 has 2 divisors, whose sum is σ = 70244432. Its totient is φ = 70244430.

The previous prime is 70244417. The next prime is 70244437. The reversal of 70244431 is 13444207.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70244431 - 2⁹ = 70243919 is a prime.

It is a super-2 number, since 2×70244431² = 9868560173027522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70244396 and 70244405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70244437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35122215 + 35122216.

It is an arithmetic number, because the mean of its divisors is an integer number (35122216).

Almost surely, 2^70244431 is an apocalyptic number.

70244431 is a deficient number, since it is larger than the sum of its proper divisors (1).

70244431 is an equidigital number, since it uses as much as digits as its factorization.

70244431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 70244431 is about 8381.1950818484. The cubic root of 70244431 is about 412.6076726576.

Adding to 70244431 its reverse (13444207), we get a palindrome (83688638).

The spelling of 70244431 in words is "seventy million, two hundred forty-four thousand, four hundred thirty-one".