1431143441 has 24 divisors (see below), whose sum is σ = 1887238080. Its totient is φ = 1072727712.

The previous prime is 1431143431. The next prime is 1431143447. The reversal of 1431143441 is 1443411341.

It is a happy number.

It is not a de Polignac number, because 1431143441 - 2¹⁴ = 1431127057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1431143441.

It is not an unprimeable number, because it can be changed into a prime (1431143447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47021 + ... + 71226.

It is an arithmetic number, because the mean of its divisors is an integer number (78634920).

Almost surely, 2^1431143441 is an apocalyptic number.

It is an amenable number.

1431143441 is a deficient number, since it is larger than the sum of its proper divisors (456094639).

1431143441 is a wasteful number, since it uses less digits than its factorization.

1431143441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118293 (or 118286 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 1431143441 is about 37830.4565264550. The cubic root of 1431143441 is about 1126.9233773762.

Adding to 1431143441 its reverse (1443411341), we get a palindrome (2874554782).

The spelling of 1431143441 in words is "one billion, four hundred thirty-one million, one hundred forty-three thousand, four hundred forty-one".