1431351323 has 2 divisors, whose sum is σ = 1431351324. Its totient is φ = 1431351322.

The previous prime is 1431351283. The next prime is 1431351353. The reversal of 1431351323 is 3231531341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1431351323 - 2¹⁴ = 1431334939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1431351292 and 1431351301.

It is not a weakly prime, because it can be changed into another prime (1431351353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715675661 + 715675662.

It is an arithmetic number, because the mean of its divisors is an integer number (715675662).

Almost surely, 2^1431351323 is an apocalyptic number.

1431351323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431351323 is an equidigital number, since it uses as much as digits as its factorization.

1431351323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 26.

The square root of 1431351323 is about 37833.2039748156. The cubic root of 1431351323 is about 1126.9779388168.

Adding to 1431351323 its reverse (3231531341), we get a palindrome (4662882664).

The spelling of 1431351323 in words is "one billion, four hundred thirty-one million, three hundred fifty-one thousand, three hundred twenty-three".