133223100320231 has 2 divisors, whose sum is σ = 133223100320232. Its totient is φ = 133223100320230.

The previous prime is 133223100320213. The next prime is 133223100320243. The reversal of 133223100320231 is 132023001322331.

Together with previous prime (133223100320213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133223100320231 - 2²² = 133223096125927 is a prime.

It is a super-2 number, since 2×133223100320231² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133223100320231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133223100320251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66611550160115 + 66611550160116.

It is an arithmetic number, because the mean of its divisors is an integer number (66611550160116).

Almost surely, 2^{133223100320231} is an apocalyptic number.

133223100320231 is a deficient number, since it is larger than the sum of its proper divisors (1).

133223100320231 is an equidigital number, since it uses as much as digits as its factorization.

133223100320231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 133223100320231 its reverse (132023001322331), we get a palindrome (265246101642562).

The spelling of 133223100320231 in words is "one hundred thirty-three trillion, two hundred twenty-three billion, one hundred million, three hundred twenty thousand, two hundred thirty-one".