133212310331 has 8 divisors (see below), whose sum is σ = 137515023744. Its totient is φ = 128909943360.

The previous prime is 133212310327. The next prime is 133212310367. The reversal of 133212310331 is 133013212331.

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 133212310331 - 2² = 133212310327 is a prime.

It is a super-2 number, since 2×133212310331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133212310297 and 133212310306.

It is not an unprimeable number, because it can be changed into a prime (133212310391) 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 7 ways as a sum of consecutive naturals, for example, 858815 + ... + 1001991.

It is an arithmetic number, because the mean of its divisors is an integer number (17189377968).

Almost surely, 2^133212310331 is an apocalyptic number.

133212310331 is a deficient number, since it is larger than the sum of its proper divisors (4302713413).

133212310331 is a wasteful number, since it uses less digits than its factorization.

133212310331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173221.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 133212310331 its reverse (133013212331), we get a palindrome (266225522662).

The spelling of 133212310331 in words is "one hundred thirty-three billion, two hundred twelve million, three hundred ten thousand, three hundred thirty-one".