130233321 has 12 divisors (see below), whose sum is σ = 188215300. Its totient is φ = 86775840.

The previous prime is 130233281. The next prime is 130233329. The reversal of 130233321 is 123332031.

It can be written as a sum of positive squares in 2 ways, for example, as 48149721 + 82083600 = 6939^2 + 9060^2 .

It is not a de Polignac number, because 130233321 - 2¹³ = 130225129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130233294 and 130233303.

It is not an unprimeable number, because it can be changed into a prime (130233329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26355 + ... + 30903.

Almost surely, 2^130233321 is an apocalyptic number.

It is an amenable number.

130233321 is a deficient number, since it is larger than the sum of its proper divisors (57981979).

130233321 is a wasteful number, since it uses less digits than its factorization.

130233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7736 (or 7733 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 130233321 is about 11411.9814668619. The cubic root of 130233321 is about 506.8825866317.

Adding to 130233321 its reverse (123332031), we get a palindrome (253565352).

The spelling of 130233321 in words is "one hundred thirty million, two hundred thirty-three thousand, three hundred twenty-one".