133111320012231 has 32 divisors (see below), whose sum is σ = 194111393718528. Its totient is φ = 80467450237440.

The previous prime is 133111320012221. The next prime is 133111320012271. The reversal of 133111320012231 is 132210023111331.

It is not a de Polignac number, because 133111320012231 - 2⁵ = 133111320012199 is a prime.

It is a super-2 number, since 2×133111320012231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133111320012221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35461581 + ... + 39035193.

It is an arithmetic number, because the mean of its divisors is an integer number (6065981053704).

Almost surely, 2^{133111320012231} is an apocalyptic number.

133111320012231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133111320012231 is a deficient number, since it is larger than the sum of its proper divisors (61000073706297).

133111320012231 is a wasteful number, since it uses less digits than its factorization.

133111320012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576511.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 133111320012231 its reverse (132210023111331), we get a palindrome (265321343123562).

The spelling of 133111320012231 in words is "one hundred thirty-three trillion, one hundred eleven billion, three hundred twenty million, twelve thousand, two hundred thirty-one".