201431043 has 40 divisors (see below), whose sum is σ = 329731776. Its totient is φ = 121532400.

The previous prime is 201431029. The next prime is 201431053. The reversal of 201431043 is 340134102.

201431043 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 201431043 - 2⁸ = 201430787 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (201431053) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 294580 + ... + 295262.

Almost surely, 2^201431043 is an apocalyptic number.

201431043 is a deficient number, since it is larger than the sum of its proper divisors (128300733).

201431043 is a wasteful number, since it uses less digits than its factorization.

201431043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 201431043 is about 14192.6404520089. The cubic root of 201431043 is about 586.1950324818.

Adding to 201431043 its reverse (340134102), we get a palindrome (541565145).

The spelling of 201431043 in words is "two hundred one million, four hundred thirty-one thousand, forty-three".