82311039 has 8 divisors (see below), whose sum is σ = 121942320. Its totient is φ = 54874008.

The previous prime is 82311037. The next prime is 82311049. The reversal of 82311039 is 93011328.

It is not a de Polignac number, because 82311039 - 2¹ = 82311037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3048557 = 82311039 / (8 + 2 + 3 + 1 + 1 + 0 + 3 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82311037) 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, 1524252 + ... + 1524305.

It is an arithmetic number, because the mean of its divisors is an integer number (15242790).

Almost surely, 2^82311039 is an apocalyptic number.

82311039 is a deficient number, since it is larger than the sum of its proper divisors (39631281).

82311039 is a wasteful number, since it uses less digits than its factorization.

82311039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048566 (or 3048560 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 82311039 is about 9072.5431385031. The cubic root of 82311039 is about 434.9967657310.

The spelling of 82311039 in words is "eighty-two million, three hundred eleven thousand, thirty-nine".