1431141321 has 8 divisors (see below), whose sum is σ = 1916173440. Its totient is φ = 950101712.

The previous prime is 1431141301. The next prime is 1431141323. The reversal of 1431141321 is 1231411341.

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 1431141321 - 2¹⁰ = 1431140297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1431141323) 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, 997290 + ... + 998723.

It is an arithmetic number, because the mean of its divisors is an integer number (239521680).

Almost surely, 2^1431141321 is an apocalyptic number.

It is an amenable number.

1431141321 is a deficient number, since it is larger than the sum of its proper divisors (485032119).

1431141321 is a wasteful number, since it uses less digits than its factorization.

1431141321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996255.

The product of its digits is 288, while the sum is 21.

The square root of 1431141321 is about 37830.4285066929. The cubic root of 1431141321 is about 1126.9228209264.

Adding to 1431141321 its reverse (1231411341), we get a palindrome (2662552662).

The spelling of 1431141321 in words is "one billion, four hundred thirty-one million, one hundred forty-one thousand, three hundred twenty-one".