133333031213 has 8 divisors (see below), whose sum is σ = 138123906816. Its totient is φ = 128572768800.

The previous prime is 133333031197. The next prime is 133333031239. The reversal of 133333031213 is 312130333331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133333031213 - 2⁴ = 133333031197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133333031113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7644431 + ... + 7661852.

It is an arithmetic number, because the mean of its divisors is an integer number (17265488352).

Almost surely, 2^133333031213 is an apocalyptic number.

It is an amenable number.

133333031213 is a deficient number, since it is larger than the sum of its proper divisors (4790875603).

133333031213 is a wasteful number, since it uses less digits than its factorization.

133333031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15306595.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 133333031213 its reverse (312130333331), we get a palindrome (445463364544).

The spelling of 133333031213 in words is "one hundred thirty-three billion, three hundred thirty-three million, thirty-one thousand, two hundred thirteen".