82318430 has 16 divisors (see below), whose sum is σ = 148397184. Its totient is φ = 32877600.

The previous prime is 82318427. The next prime is 82318433. The reversal of 82318430 is 3481328.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82318427) and next prime (82318433).

It is a junction number, because it is equal to n+sod(n) for n = 82318393 and 82318402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82318433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139 + ... + 12881.

It is an arithmetic number, because the mean of its divisors is an integer number (9274824).

Almost surely, 2^82318430 is an apocalyptic number.

82318430 is a deficient number, since it is larger than the sum of its proper divisors (66078754).

82318430 is a wasteful number, since it uses less digits than its factorization.

82318430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12451.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 82318430 is about 9072.9504572658. The cubic root of 82318430 is about 435.0097853086.

Adding to 82318430 its reverse (3481328), we get a palindrome (85799758).

It can be divided in two parts, 8231 and 8430, that added together give a palindrome (16661).

The spelling of 82318430 in words is "eighty-two million, three hundred eighteen thousand, four hundred thirty".