133031130330 has 32 divisors (see below), whose sum is σ = 364885386624. Its totient is φ = 30407115456.

The previous prime is 133031130329. The next prime is 133031130371. The reversal of 133031130330 is 33031130331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 133031130297 and 133031130306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316740577 + ... + 316740996.

It is an arithmetic number, because the mean of its divisors is an integer number (11402668332).

Almost surely, 2^133031130330 is an apocalyptic number.

133031130330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133031130330 is an abundant number, since it is smaller than the sum of its proper divisors (231854256294).

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

133031130330 is a wasteful number, since it uses less digits than its factorization.

133031130330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633481590.

The product of its (nonzero) digits is 729, while the sum is 21.

Adding to 133031130330 its reverse (33031130331), we get a palindrome (166062260661).

Subtracting from 133031130330 its reverse (33031130331), we obtain a palindrome (99999999999).

The spelling of 133031130330 in words is "one hundred thirty-three billion, thirty-one million, one hundred thirty thousand, three hundred thirty".