133031544402 has 32 divisors (see below), whose sum is σ = 282068642304. Its totient is φ = 41753577600.

The previous prime is 133031544361. The next prime is 133031544407. The reversal of 133031544402 is 204445130331.

133031544402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 133031544402.

It is not an unprimeable number, because it can be changed into a prime (133031544407) 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, 9658299 + ... + 9672062.

It is an arithmetic number, because the mean of its divisors is an integer number (8814645072).

Almost surely, 2^133031544402 is an apocalyptic number.

133031544402 is an abundant number, since it is smaller than the sum of its proper divisors (149037097902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133031544402 is a wasteful number, since it uses less digits than its factorization.

133031544402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19330434.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 133031544402 its reverse (204445130331), we get a palindrome (337476674733).

The spelling of 133031544402 in words is "one hundred thirty-three billion, thirty-one million, five hundred forty-four thousand, four hundred two".