1330023131 has 4 divisors (see below), whose sum is σ = 1330190712. Its totient is φ = 1329855552.

The previous prime is 1330023119. The next prime is 1330023133. The reversal of 1330023131 is 1313200331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1330023131 - 2¹⁰ = 1330022107 is a prime.

It is a super-2 number, since 2×1330023131² = 3537923057990086322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330023133) 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 3 ways as a sum of consecutive naturals, for example, 71261 + ... + 87966.

It is an arithmetic number, because the mean of its divisors is an integer number (332547678).

Almost surely, 2^1330023131 is an apocalyptic number.

1330023131 is a deficient number, since it is larger than the sum of its proper divisors (167581).

1330023131 is an equidigital number, since it uses as much as digits as its factorization.

1330023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167580.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1330023131 is about 36469.4821871658. The cubic root of 1330023131 is about 1099.7308242193.

Adding to 1330023131 its reverse (1313200331), we get a palindrome (2643223462).

The spelling of 1330023131 in words is "one billion, three hundred thirty million, twenty-three thousand, one hundred thirty-one".