1431131323 has 8 divisors (see below), whose sum is σ = 1515644928. Its totient is φ = 1348475304.

The previous prime is 1431131321. The next prime is 1431131333. The reversal of 1431131323 is 3231311341.

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

It is a cyclic number.

It is not a de Polignac number, because 1431131323 - 2¹ = 1431131321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1431131294 and 1431131303.

It is not an unprimeable number, because it can be changed into a prime (1431131321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462811 + ... + 465892.

It is an arithmetic number, because the mean of its divisors is an integer number (189455616).

Almost surely, 2^1431131323 is an apocalyptic number.

1431131323 is a deficient number, since it is larger than the sum of its proper divisors (84513605).

1431131323 is an equidigital number, since it uses as much as digits as its factorization.

1431131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928793.

The product of its digits is 648, while the sum is 22.

The square root of 1431131323 is about 37830.2963641577. The cubic root of 1431131323 is about 1126.9201966804.

Adding to 1431131323 its reverse (3231311341), we get a palindrome (4662442664).

The spelling of 1431131323 in words is "one billion, four hundred thirty-one million, one hundred thirty-one thousand, three hundred twenty-three".