133212762331 has 16 divisors (see below), whose sum is σ = 157449840768. Its totient is φ = 111328156800.

The previous prime is 133212762317. The next prime is 133212762337. The reversal of 133212762331 is 133267212331.

It is a cyclic number.

It is not a de Polignac number, because 133212762331 - 2⁷ = 133212762203 is a prime.

It is a super-2 number, since 2×133212762331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133212762337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8275305 + ... + 8291386.

It is an arithmetic number, because the mean of its divisors is an integer number (9840615048).

Almost surely, 2^133212762331 is an apocalyptic number.

133212762331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133212762331 is a deficient number, since it is larger than the sum of its proper divisors (24237078437).

133212762331 is a wasteful number, since it uses less digits than its factorization.

133212762331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16566762.

The product of its digits is 27216, while the sum is 34.

Adding to 133212762331 its reverse (133267212331), we get a palindrome (266479974662).

The spelling of 133212762331 in words is "one hundred thirty-three billion, two hundred twelve million, seven hundred sixty-two thousand, three hundred thirty-one".