1331423041 has 4 divisors (see below), whose sum is σ = 1433840212. Its totient is φ = 1229005872.

The previous prime is 1331422997. The next prime is 1331423069. The reversal of 1331423041 is 1403241331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1403241331 = 257 ⋅5460083.

It can be written as a sum of positive squares in 2 ways, for example, as 175695025 + 1155728016 = 13255^2 + 33996^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331423041 - 2⁹ = 1331422529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331423341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51208566 + ... + 51208591.

It is an arithmetic number, because the mean of its divisors is an integer number (358460053).

Almost surely, 2^1331423041 is an apocalyptic number.

It is an amenable number.

1331423041 is a deficient number, since it is larger than the sum of its proper divisors (102417171).

1331423041 is a wasteful number, since it uses less digits than its factorization.

1331423041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102417170.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1331423041 is about 36488.6700360537. The cubic root of 1331423041 is about 1100.1165278756.

Adding to 1331423041 its reverse (1403241331), we get a palindrome (2734664372).

The spelling of 1331423041 in words is "one billion, three hundred thirty-one million, four hundred twenty-three thousand, forty-one".