11431141 has 8 divisors (see below), whose sum is σ = 12070400. Its totient is φ = 10795680.

The previous prime is 11431139. The next prime is 11431151. The reversal of 11431141 is 14113411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 4-Lehmer number, since φ(11431141) divides (11431141-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 11431141 - 2¹ = 11431139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431111) 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, 7036 + ... + 8506.

It is an arithmetic number, because the mean of its divisors is an integer number (1508800).

Almost surely, 2^11431141 is an apocalyptic number.

It is an amenable number.

11431141 is a deficient number, since it is larger than the sum of its proper divisors (639259).

11431141 is a wasteful number, since it uses less digits than its factorization.

11431141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899.

The product of its digits is 48, while the sum is 16.

The square root of 11431141 is about 3380.9970422939. The cubic root of 11431141 is about 225.2664563409.

Adding to 11431141 its reverse (14113411), we get a palindrome (25544552).

The spelling of 11431141 in words is "eleven million, four hundred thirty-one thousand, one hundred forty-one".