104320212431 has 2 divisors, whose sum is σ = 104320212432. Its totient is φ = 104320212430.

The previous prime is 104320212419. The next prime is 104320212439. The reversal of 104320212431 is 134212023401.

It is a strong prime.

It is an emirp because it is prime and its reverse (134212023401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104320212431 - 2³⁴ = 87140343247 is a prime.

It is a super-2 number, since 2×104320212431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104320212397 and 104320212406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104320212439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52160106215 + 52160106216.

It is an arithmetic number, because the mean of its divisors is an integer number (52160106216).

Almost surely, 2^104320212431 is an apocalyptic number.

104320212431 is a deficient number, since it is larger than the sum of its proper divisors (1).

104320212431 is an equidigital number, since it uses as much as digits as its factorization.

104320212431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 104320212431 its reverse (134212023401), we get a palindrome (238532235832).

The spelling of 104320212431 in words is "one hundred four billion, three hundred twenty million, two hundred twelve thousand, four hundred thirty-one".