1331030023 has 16 divisors (see below), whose sum is σ = 1397088000. Its totient is φ = 1266435072.

The previous prime is 1331030021. The next prime is 1331030053. The reversal of 1331030023 is 3200301331.

It is a cyclic number.

It is not a de Polignac number, because 1331030023 - 2¹ = 1331030021 is a prime.

It is a super-3 number, since 3×1331030023³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331029979 and 1331030006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331030021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 755818 + ... + 757576.

It is an arithmetic number, because the mean of its divisors is an integer number (87318000).

Almost surely, 2^1331030023 is an apocalyptic number.

1331030023 is a deficient number, since it is larger than the sum of its proper divisors (66057977).

1331030023 is a wasteful number, since it uses less digits than its factorization.

1331030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1331030023 is about 36483.2841586390. The cubic root of 1331030023 is about 1100.0082707367.

Adding to 1331030023 its reverse (3200301331), we get a palindrome (4531331354).

The spelling of 1331030023 in words is "one billion, three hundred thirty-one million, thirty thousand, twenty-three".