1231432322113 has 8 divisors (see below), whose sum is σ = 1409028647040. Its totient is φ = 1054255352640.

The previous prime is 1231432322077. The next prime is 1231432322117. The reversal of 1231432322113 is 3112232341321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1231432322113 - 2⁹ = 1231432321601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231432322117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104832568 + ... + 104844313.

It is an arithmetic number, because the mean of its divisors is an integer number (176128580880).

Almost surely, 2^{1231432322113} is an apocalyptic number.

It is an amenable number.

1231432322113 is a deficient number, since it is larger than the sum of its proper divisors (177596324927).

1231432322113 is an equidigital number, since it uses as much as digits as its factorization.

1231432322113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209677727.

The product of its digits is 5184, while the sum is 28.

Adding to 1231432322113 its reverse (3112232341321), we get a palindrome (4343664663434).

The spelling of 1231432322113 in words is "one trillion, two hundred thirty-one billion, four hundred thirty-two million, three hundred twenty-two thousand, one hundred thirteen".