1431431122 has 16 divisors (see below), whose sum is σ = 2343055392. Its totient is φ = 650452320.

The previous prime is 1431431087. The next prime is 1431431123. The reversal of 1431431122 is 2211341341.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1431431093 and 1431431102.

It is not an unprimeable number, because it can be changed into a prime (1431431123) 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, 83533 + ... + 99199.

It is an arithmetic number, because the mean of its divisors is an integer number (146440962).

Almost surely, 2^1431431122 is an apocalyptic number.

1431431122 is a deficient number, since it is larger than the sum of its proper divisors (911624270).

1431431122 is a wasteful number, since it uses less digits than its factorization.

1431431122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19833.

The product of its digits is 576, while the sum is 22.

The square root of 1431431122 is about 37834.2585760578. The cubic root of 1431431122 is about 1126.9988817398.

Adding to 1431431122 its reverse (2211341341), we get a palindrome (3642772463).

The spelling of 1431431122 in words is "one billion, four hundred thirty-one million, four hundred thirty-one thousand, one hundred twenty-two".