1431123441 has 16 divisors (see below), whose sum is σ = 2083005120. Its totient is φ = 866776320.

The previous prime is 1431123391. The next prime is 1431123443. The reversal of 1431123441 is 1443211341.

It is not a de Polignac number, because 1431123441 - 2¹³ = 1431115249 is a prime.

It is a super-2 number, since 2×1431123441² = 4096228606759360962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1431123443) 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 15 ways as a sum of consecutive naturals, for example, 39621 + ... + 66573.

It is an arithmetic number, because the mean of its divisors is an integer number (130187820).

Almost surely, 2^1431123441 is an apocalyptic number.

1431123441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1431123441 is a deficient number, since it is larger than the sum of its proper divisors (651881679).

1431123441 is a wasteful number, since it uses less digits than its factorization.

1431123441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28576.

The product of its digits is 1152, while the sum is 24.

The square root of 1431123441 is about 37830.1921882509. The cubic root of 1431123441 is about 1126.9181278273.

Adding to 1431123441 its reverse (1443211341), we get a palindrome (2874334782).

The spelling of 1431123441 in words is "one billion, four hundred thirty-one million, one hundred twenty-three thousand, four hundred forty-one".