1331431041 has 8 divisors (see below), whose sum is σ = 1879667424. Its totient is φ = 835407680.

The previous prime is 1331431039. The next prime is 1331431081. The reversal of 1331431041 is 1401341331.

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 1331431041 - 2¹ = 1331431039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331430999 and 1331431017.

It is not an unprimeable number, because it can be changed into a prime (1331431081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13053195 + ... + 13053296.

It is an arithmetic number, because the mean of its divisors is an integer number (234958428).

Almost surely, 2^1331431041 is an apocalyptic number.

It is an amenable number.

1331431041 is a deficient number, since it is larger than the sum of its proper divisors (548236383).

1331431041 is a wasteful number, since it uses less digits than its factorization.

1331431041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26106511.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1331431041 is about 36488.7796589582. The cubic root of 1331431041 is about 1100.1187312611.

Adding to 1331431041 its reverse (1401341331), we get a palindrome (2732772372).

The spelling of 1331431041 in words is "one billion, three hundred thirty-one million, four hundred thirty-one thousand, forty-one".