1331303023 has 8 divisors (see below), whose sum is σ = 1354561280. Its totient is φ = 1308205080.

The previous prime is 1331303003. The next prime is 1331303041. The reversal of 1331303023 is 3203031331.

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 1331303023 - 2⁵ = 1331302991 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 (1331303003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23265 + ... + 56602.

It is an arithmetic number, because the mean of its divisors is an integer number (169320160).

Almost surely, 2^1331303023 is an apocalyptic number.

1331303023 is a deficient number, since it is larger than the sum of its proper divisors (23258257).

1331303023 is an equidigital number, since it uses as much as digits as its factorization.

1331303023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80157.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 1331303023 is about 36487.0254063003. The cubic root of 1331303023 is about 1100.0834710763.

Adding to 1331303023 its reverse (3203031331), we get a palindrome (4534334354).

The spelling of 1331303023 in words is "one billion, three hundred thirty-one million, three hundred three thousand, twenty-three".