82303431 has 8 divisors (see below), whose sum is σ = 125414784. Its totient is φ = 47030520.

The previous prime is 82303423. The next prime is 82303451. The reversal of 82303431 is 13430328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82303431 - 2³ = 82303423 is a prime.

It is a super-2 number, since 2×82303431² = 13547709508743522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82303451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1959585 + ... + 1959626.

It is an arithmetic number, because the mean of its divisors is an integer number (15676848).

Almost surely, 2^82303431 is an apocalyptic number.

82303431 is a deficient number, since it is larger than the sum of its proper divisors (43111353).

82303431 is a wasteful number, since it uses less digits than its factorization.

82303431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919221.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 82303431 is about 9072.1238417473. The cubic root of 82303431 is about 434.9833630842.

Adding to 82303431 its reverse (13430328), we get a palindrome (95733759).

The spelling of 82303431 in words is "eighty-two million, three hundred three thousand, four hundred thirty-one".