133223112031 has 2 divisors, whose sum is σ = 133223112032. Its totient is φ = 133223112030.

The previous prime is 133223112017. The next prime is 133223112049. The reversal of 133223112031 is 130211322331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133223112031 - 2¹⁵ = 133223079263 is a prime.

It is a super-2 number, since 2×133223112031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133223111993 and 133223112011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133223115031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66611556015 + 66611556016.

It is an arithmetic number, because the mean of its divisors is an integer number (66611556016).

Almost surely, 2^133223112031 is an apocalyptic number.

133223112031 is a deficient number, since it is larger than the sum of its proper divisors (1).

133223112031 is an equidigital number, since it uses as much as digits as its factorization.

133223112031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133223112031 its reverse (130211322331), we get a palindrome (263434434362).

The spelling of 133223112031 in words is "one hundred thirty-three billion, two hundred twenty-three million, one hundred twelve thousand, thirty-one".