102382100105231 has 4 divisors (see below), whose sum is σ = 102382121661192. Its totient is φ = 102382078549272.

The previous prime is 102382100105147. The next prime is 102382100105281. The reversal of 102382100105231 is 132501001283201.

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 102382100105231 - 2³⁸ = 102107222198287 is a prime.

It is a super-2 number, since 2×102382100105231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102382100105194 and 102382100105203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102382100105281) 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, 179780 + ... + 14310713.

It is an arithmetic number, because the mean of its divisors is an integer number (25595530415298).

Almost surely, 2^{102382100105231} is an apocalyptic number.

102382100105231 is a deficient number, since it is larger than the sum of its proper divisors (21555961).

102382100105231 is an equidigital number, since it uses as much as digits as its factorization.

102382100105231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21555960.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 102382100105231 its reverse (132501001283201), we get a palindrome (234883101388432).

The spelling of 102382100105231 in words is "one hundred two trillion, three hundred eighty-two billion, one hundred million, one hundred five thousand, two hundred thirty-one".