82207403731 has 8 divisors (see below), whose sum is σ = 83025777744. Its totient is φ = 81393032160.

The previous prime is 82207403687. The next prime is 82207403737. The reversal of 82207403731 is 13730470228.

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

It is a cyclic number.

It is not a de Polignac number, because 82207403731 - 2²⁹ = 81670532819 is a prime.

It is a super-2 number, since 2×82207403731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82207403737) 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, 959320 + ... + 1041493.

It is an arithmetic number, because the mean of its divisors is an integer number (10378222218).

Almost surely, 2^82207403731 is an apocalyptic number.

82207403731 is a deficient number, since it is larger than the sum of its proper divisors (818374013).

82207403731 is a wasteful number, since it uses less digits than its factorization.

82207403731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001221.

The product of its (nonzero) digits is 56448, while the sum is 37.

Adding to 82207403731 its reverse (13730470228), we get a palindrome (95937873959).

The spelling of 82207403731 in words is "eighty-two billion, two hundred seven million, four hundred three thousand, seven hundred thirty-one".