104221143431 has 2 divisors, whose sum is σ = 104221143432. Its totient is φ = 104221143430.

The previous prime is 104221143419. The next prime is 104221143511. The reversal of 104221143431 is 134341122401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104221143431 is a prime.

It is a super-2 number, since 2×104221143431² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104221143431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104221173431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52110571715 + 52110571716.

It is an arithmetic number, because the mean of its divisors is an integer number (52110571716).

Almost surely, 2^104221143431 is an apocalyptic number.

104221143431 is a deficient number, since it is larger than the sum of its proper divisors (1).

104221143431 is an equidigital number, since it uses as much as digits as its factorization.

104221143431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 104221143431 its reverse (134341122401), we get a palindrome (238562265832).

The spelling of 104221143431 in words is "one hundred four billion, two hundred twenty-one million, one hundred forty-three thousand, four hundred thirty-one".