102231554443 has 2 divisors, whose sum is σ = 102231554444. Its totient is φ = 102231554442.

The previous prime is 102231554437. The next prime is 102231554461. The reversal of 102231554443 is 344455132201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102231554443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102231554399 and 102231554408.

It is not a weakly prime, because it can be changed into another prime (102231557443) 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 as a sum of consecutive naturals, namely, 51115777221 + 51115777222.

It is an arithmetic number, because the mean of its divisors is an integer number (51115777222).

Almost surely, 2^102231554443 is an apocalyptic number.

102231554443 is a deficient number, since it is larger than the sum of its proper divisors (1).

102231554443 is an equidigital number, since it uses as much as digits as its factorization.

102231554443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 102231554443 its reverse (344455132201), we get a palindrome (446686686644).

The spelling of 102231554443 in words is "one hundred two billion, two hundred thirty-one million, five hundred fifty-four thousand, four hundred forty-three".