13431210323 has 2 divisors, whose sum is σ = 13431210324. Its totient is φ = 13431210322.

The previous prime is 13431210311. The next prime is 13431210379. The reversal of 13431210323 is 32301213431.

It is a weak prime.

It is an emirp because it is prime and its reverse (32301213431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13431210323 is a prime.

It is not a weakly prime, because it can be changed into another prime (13431210823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715605161 + 6715605162.

It is an arithmetic number, because the mean of its divisors is an integer number (6715605162).

Almost surely, 2^13431210323 is an apocalyptic number.

13431210323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13431210323 is an equidigital number, since it uses as much as digits as its factorization.

13431210323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13431210323 its reverse (32301213431), we get a palindrome (45732423754).

The spelling of 13431210323 in words is "thirteen billion, four hundred thirty-one million, two hundred ten thousand, three hundred twenty-three".