1431231132323 has 4 divisors (see below), whose sum is σ = 1444361693280. Its totient is φ = 1418100571368.

The previous prime is 1431231132307. The next prime is 1431231132349. The reversal of 1431231132323 is 3232311321341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1431231132323 - 2⁴ = 1431231132307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431231132623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6565280315 + ... + 6565280532.

It is an arithmetic number, because the mean of its divisors is an integer number (361090423320).

Almost surely, 2^{1431231132323} is an apocalyptic number.

1431231132323 is a deficient number, since it is larger than the sum of its proper divisors (13130560957).

1431231132323 is a wasteful number, since it uses less digits than its factorization.

1431231132323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13130560956.

The product of its digits is 7776, while the sum is 29.

Adding to 1431231132323 its reverse (3232311321341), we get a palindrome (4663542453664).

The spelling of 1431231132323 in words is "one trillion, four hundred thirty-one billion, two hundred thirty-one million, one hundred thirty-two thousand, three hundred twenty-three".