853310431 has 2 divisors, whose sum is σ = 853310432. Its totient is φ = 853310430.

The previous prime is 853310429. The next prime is 853310443. The reversal of 853310431 is 134013358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 853310431 - 2¹ = 853310429 is a prime.

It is a super-2 number, since 2×853310431² = 1456277383306811522, which contains 22 as substring.

Together with 853310429, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 853310431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853310131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426655215 + 426655216.

It is an arithmetic number, because the mean of its divisors is an integer number (426655216).

Almost surely, 2^853310431 is an apocalyptic number.

853310431 is a deficient number, since it is larger than the sum of its proper divisors (1).

853310431 is an equidigital number, since it uses as much as digits as its factorization.

853310431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 853310431 is about 29211.4777270853. The cubic root of 853310431 is about 948.4963955843.

Adding to 853310431 its reverse (134013358), we get a palindrome (987323789).

The spelling of 853310431 in words is "eight hundred fifty-three million, three hundred ten thousand, four hundred thirty-one".