82703131 has 8 divisors (see below), whose sum is σ = 96447200. Its totient is φ = 70888104.

The previous prime is 82703123. The next prime is 82703171. The reversal of 82703131 is 13130728.

It is not a de Polignac number, because 82703131 - 2³ = 82703123 is a prime.

It is a super-2 number, since 2×82703131² = 13679615754406322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82703096 and 82703105.

It is not an unprimeable number, because it can be changed into a prime (82703111) 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, 120216 + ... + 120901.

It is an arithmetic number, because the mean of its divisors is an integer number (12055900).

Almost surely, 2^82703131 is an apocalyptic number.

82703131 is a deficient number, since it is larger than the sum of its proper divisors (13744069).

82703131 is an equidigital number, since it uses as much as digits as its factorization.

82703131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241138 (or 241124 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 82703131 is about 9094.1261812227. The cubic root of 82703131 is about 435.6863801787.

Adding to 82703131 its reverse (13130728), we get a palindrome (95833859).

The spelling of 82703131 in words is "eighty-two million, seven hundred three thousand, one hundred thirty-one".