130333433 has 12 divisors (see below), whose sum is σ = 136801140. Its totient is φ = 124160256.

The previous prime is 130333391. The next prime is 130333439. The reversal of 130333433 is 334333031.

It can be written as a sum of positive squares in 2 ways, for example, as 17909824 + 112423609 = 4232^2 + 10603^2 .

It is a de Polignac number, because none of the positive numbers 2^k-130333433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130333399 and 130333408.

It is not an unprimeable number, because it can be changed into a prime (130333439) 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 11 ways as a sum of consecutive naturals, for example, 228773 + ... + 229341.

It is an arithmetic number, because the mean of its divisors is an integer number (11400095).

Almost surely, 2^130333433 is an apocalyptic number.

It is an amenable number.

130333433 is a deficient number, since it is larger than the sum of its proper divisors (6467707).

130333433 is an equidigital number, since it uses as much as digits as its factorization.

130333433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 23.

The square root of 130333433 is about 11416.3668914414. The cubic root of 130333433 is about 507.0124357156.

Adding to 130333433 its reverse (334333031), we get a palindrome (464666464).

The spelling of 130333433 in words is "one hundred thirty million, three hundred thirty-three thousand, four hundred thirty-three".