82384312731 has 16 divisors (see below), whose sum is σ = 132922589184. Its totient is φ = 44307529344.

The previous prime is 82384312727. The next prime is 82384312741. The reversal of 82384312731 is 13721348328.

It is a happy number.

It is not a de Polignac number, because 82384312731 - 2² = 82384312727 is a prime.

It is a super-2 number, since 2×82384312731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82384312741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115383835 + ... + 115384548.

It is an arithmetic number, because the mean of its divisors is an integer number (8307661824).

Almost surely, 2^82384312731 is an apocalyptic number.

82384312731 is a deficient number, since it is larger than the sum of its proper divisors (50538276453).

82384312731 is a wasteful number, since it uses less digits than its factorization.

82384312731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230768410.

The product of its digits is 193536, while the sum is 42.

The spelling of 82384312731 in words is "eighty-two billion, three hundred eighty-four million, three hundred twelve thousand, seven hundred thirty-one".