33131400330 has 32 divisors (see below), whose sum is σ = 90874698624. Its totient is φ = 7572891456.

The previous prime is 33131400301. The next prime is 33131400331. The reversal of 33131400330 is 3300413133.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33131400297 and 33131400306.

It is not an unprimeable number, because it can be changed into a prime (33131400331) 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 15 ways as a sum of consecutive naturals, for example, 78884077 + ... + 78884496.

It is an arithmetic number, because the mean of its divisors is an integer number (2839834332).

Almost surely, 2^33131400330 is an apocalyptic number.

33131400330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33131400330 is an abundant number, since it is smaller than the sum of its proper divisors (57743298294).

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

33131400330 is a wasteful number, since it uses less digits than its factorization.

33131400330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157768590.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33131400330 its reverse (3300413133), we get a palindrome (36431813463).

The spelling of 33131400330 in words is "thirty-three billion, one hundred thirty-one million, four hundred thousand, three hundred thirty".