133223322331 has 16 divisors (see below), whose sum is σ = 148483745280. Its totient is φ = 118489747680.

The previous prime is 133223322319. The next prime is 133223322347.

133223322331 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 133223322331 - 2⁷ = 133223322203 is a prime.

It is a super-2 number, since 2×133223322331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133223322331.

It is not an unprimeable number, because it can be changed into a prime (133223622331) 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, 1335880 + ... + 1432138.

It is an arithmetic number, because the mean of its divisors is an integer number (9280234080).

Almost surely, 2^133223322331 is an apocalyptic number.

133223322331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133223322331 is a deficient number, since it is larger than the sum of its proper divisors (15260422949).

133223322331 is a wasteful number, since it uses less digits than its factorization.

133223322331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98994.

The product of its digits is 11664, while the sum is 28.

It can be divided in two parts, 133223 and 322331, that added together give a palindrome (455554).

The spelling of 133223322331 in words is "one hundred thirty-three billion, two hundred twenty-three million, three hundred twenty-two thousand, three hundred thirty-one".