1231041403 has 8 divisors (see below), whose sum is σ = 1271255040. Its totient is φ = 1190859240.

The previous prime is 1231041401. The next prime is 1231041419. The reversal of 1231041403 is 3041401321.

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 1231041403 - 2¹ = 1231041401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231041401) 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, 91908 + ... + 104446.

It is an arithmetic number, because the mean of its divisors is an integer number (158906880).

Almost surely, 2^1231041403 is an apocalyptic number.

1231041403 is a deficient number, since it is larger than the sum of its proper divisors (40213637).

1231041403 is a wasteful number, since it uses less digits than its factorization.

1231041403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15737.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1231041403 is about 35086.1996089631. The cubic root of 1231041403 is about 1071.7435697980.

Adding to 1231041403 its reverse (3041401321), we get a palindrome (4272442724).

The spelling of 1231041403 in words is "one billion, two hundred thirty-one million, forty-one thousand, four hundred three".