133303030 has 48 divisors (see below), whose sum is σ = 281000880. Its totient is φ = 45396288.

The previous prime is 133303021. The next prime is 133303033. The reversal of 133303030 is 30303331.

It is a junction number, because it is equal to n+sod(n) for n = 133302995 and 133303013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133303033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79036 + ... + 80704.

It is an arithmetic number, because the mean of its divisors is an integer number (5854185).

Almost surely, 2^133303030 is an apocalyptic number.

133303030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133303030 is an abundant number, since it is smaller than the sum of its proper divisors (147697850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133303030 is a wasteful number, since it uses less digits than its factorization.

133303030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853 (or 1846 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 16.

The square root of 133303030 is about 11545.6931364037. The cubic root of 133303030 is about 510.8342491130.

Adding to 133303030 its reverse (30303331), we get a palindrome (163606361).

The spelling of 133303030 in words is "one hundred thirty-three million, three hundred three thousand, thirty".