82383313507531 has 4 divisors (see below), whose sum is σ = 83543641866864. Its totient is φ = 81222985148200.

The previous prime is 82383313507501. The next prime is 82383313507553. The reversal of 82383313507531 is 13570531338328.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82383313507531 - 2⁷ = 82383313507403 is a prime.

It is a super-2 number, since 2×82383313507531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82383313507501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580164179560 + ... + 580164179701.

It is an arithmetic number, because the mean of its divisors is an integer number (20885910466716).

Almost surely, 2^{82383313507531} is an apocalyptic number.

82383313507531 is a deficient number, since it is larger than the sum of its proper divisors (1160328359333).

82383313507531 is a wasteful number, since it uses less digits than its factorization.

82383313507531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160328359332.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 82383313507531 in words is "eighty-two trillion, three hundred eighty-three billion, three hundred thirteen million, five hundred seven thousand, five hundred thirty-one".