133331220232331 has 48 divisors (see below), whose sum is σ = 155464921684800. Its totient is φ = 113867219220480.

The previous prime is 133331220232261. The next prime is 133331220232381. The reversal of 133331220232331 is 133232022133331.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-133331220232331 is a prime.

It is a super-2 number, since 2×133331220232331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133331220232381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2658464351 + ... + 2658514503.

It is an arithmetic number, because the mean of its divisors is an integer number (3238852535100).

Almost surely, 2^{133331220232331} is an apocalyptic number.

133331220232331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133331220232331 is a deficient number, since it is larger than the sum of its proper divisors (22133701452469).

133331220232331 is a wasteful number, since it uses less digits than its factorization.

133331220232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52580 (or 52569 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 133331220232331 its reverse (133232022133331), we get a palindrome (266563242365662).

The spelling of 133331220232331 in words is "one hundred thirty-three trillion, three hundred thirty-one billion, two hundred twenty million, two hundred thirty-two thousand, three hundred thirty-one".