133223120031 has 64 divisors (see below), whose sum is σ = 192196730880. Its totient is φ = 81927936000.

The previous prime is 133223120027. The next prime is 133223120077. The reversal of 133223120031 is 130021322331.

It is not a de Polignac number, because 133223120031 - 2² = 133223120027 is a prime.

It is a super-2 number, since 2×133223120031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133223120831) 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 in 63 ways as a sum of consecutive naturals, for example, 30337846 + ... + 30342236.

It is an arithmetic number, because the mean of its divisors is an integer number (3003073920).

Almost surely, 2^133223120031 is an apocalyptic number.

133223120031 is a deficient number, since it is larger than the sum of its proper divisors (58973610849).

133223120031 is a wasteful number, since it uses less digits than its factorization.

133223120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 133223120031 its reverse (130021322331), we get a palindrome (263244442362).

The spelling of 133223120031 in words is "one hundred thirty-three billion, two hundred twenty-three million, one hundred twenty thousand, thirty-one".