102441320431 has 4 divisors (see below), whose sum is σ = 104939889264. Its totient is φ = 99942751600.

The previous prime is 102441320389. The next prime is 102441320437. The reversal of 102441320431 is 134023144201.

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 102441320431 - 2⁹ = 102441319919 is a prime.

It is a super-2 number, since 2×102441320431² (a number of 23 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 = 102441320396 and 102441320405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102441320437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249284355 + ... + 1249284436.

It is an arithmetic number, because the mean of its divisors is an integer number (26234972316).

Almost surely, 2^102441320431 is an apocalyptic number.

102441320431 is a deficient number, since it is larger than the sum of its proper divisors (2498568833).

102441320431 is an equidigital number, since it uses as much as digits as its factorization.

102441320431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498568832.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 102441320431 its reverse (134023144201), we get a palindrome (236464464632).

The spelling of 102441320431 in words is "one hundred two billion, four hundred forty-one million, three hundred twenty thousand, four hundred thirty-one".