133023320231 has 2 divisors, whose sum is σ = 133023320232. Its totient is φ = 133023320230.

The previous prime is 133023320203. The next prime is 133023320249. The reversal of 133023320231 is 132023320331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133023320231 - 2⁶ = 133023320167 is a prime.

It is a super-2 number, since 2×133023320231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133023320197 and 133023320206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133023820231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66511660115 + 66511660116.

It is an arithmetic number, because the mean of its divisors is an integer number (66511660116).

Almost surely, 2^133023320231 is an apocalyptic number.

133023320231 is a deficient number, since it is larger than the sum of its proper divisors (1).

133023320231 is an equidigital number, since it uses as much as digits as its factorization.

133023320231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 133023320231 its reverse (132023320331), we get a palindrome (265046640562).

The spelling of 133023320231 in words is "one hundred thirty-three billion, twenty-three million, three hundred twenty thousand, two hundred thirty-one".