1431426311 has 8 divisors (see below), whose sum is σ = 1641144864. Its totient is φ = 1223015040.

The previous prime is 1431426301. The next prime is 1431426323. The reversal of 1431426311 is 1136241341.

It is a happy number.

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 1431426311 - 2³⁰ = 357684487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431426301) 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, 324470 + ... + 328851.

It is an arithmetic number, because the mean of its divisors is an integer number (205143108).

Almost surely, 2^1431426311 is an apocalyptic number.

1431426311 is a deficient number, since it is larger than the sum of its proper divisors (209718553).

1431426311 is an equidigital number, since it uses as much as digits as its factorization.

1431426311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653641.

The product of its digits is 1728, while the sum is 26.

The square root of 1431426311 is about 37834.1949960614. The cubic root of 1431426311 is about 1126.9976191344.

Adding to 1431426311 its reverse (1136241341), we get a palindrome (2567667652).

The spelling of 1431426311 in words is "one billion, four hundred thirty-one million, four hundred twenty-six thousand, three hundred eleven".