141431231 has 16 divisors (see below), whose sum is σ = 154723200. Its totient is φ = 128767968.

The previous prime is 141431197. The next prime is 141431237. The reversal of 141431231 is 132134141.

It is a cyclic number.

It is not a de Polignac number, because 141431231 - 2²² = 137236927 is a prime.

It is a super-2 number, since 2×141431231² = 40005586204350722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141431237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155480 + ... + 156386.

It is an arithmetic number, because the mean of its divisors is an integer number (9670200).

Almost surely, 2^141431231 is an apocalyptic number.

141431231 is a deficient number, since it is larger than the sum of its proper divisors (13291969).

141431231 is a wasteful number, since it uses less digits than its factorization.

141431231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238.

The product of its digits is 288, while the sum is 20.

The square root of 141431231 is about 11892.4863254073. The cubic root of 141431231 is about 521.0128569887.

Adding to 141431231 its reverse (132134141), we get a palindrome (273565372).

The spelling of 141431231 in words is "one hundred forty-one million, four hundred thirty-one thousand, two hundred thirty-one".