133233045531 has 16 divisors (see below), whose sum is σ = 178024045056. Its totient is φ = 88632117216.

The previous prime is 133233045499. The next prime is 133233045577. The reversal of 133233045531 is 135540332331.

It is not a de Polignac number, because 133233045531 - 2⁵ = 133233045499 is a prime.

It is a super-2 number, since 2×133233045531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133233045492 and 133233045501.

It is not an unprimeable number, because it can be changed into a prime (133233045581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10761861 + ... + 10774233.

It is an arithmetic number, because the mean of its divisors is an integer number (11126502816).

Almost surely, 2^133233045531 is an apocalyptic number.

133233045531 is a deficient number, since it is larger than the sum of its proper divisors (44790999525).

133233045531 is a wasteful number, since it uses less digits than its factorization.

133233045531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19762.

The product of its (nonzero) digits is 48600, while the sum is 33.

Adding to 133233045531 its reverse (135540332331), we get a palindrome (268773377862).

The spelling of 133233045531 in words is "one hundred thirty-three billion, two hundred thirty-three million, forty-five thousand, five hundred thirty-one".