133031300202 has 72 divisors (see below), whose sum is σ = 309455652324. Its totient is φ = 41269295232.

The previous prime is 133031300189. The next prime is 133031300261. The reversal of 133031300202 is 202003130331.

133031300202 is a `hidden beast` number, since 1 + 330 + 3 + 130 + 0 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 129679932321 + 3351367881 = 360111^2 + 57891^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 163518 + ... + 541110.

Almost surely, 2^133031300202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133031300202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154727826162).

133031300202 is an abundant number, since it is smaller than the sum of its proper divisors (176424352122).

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

133031300202 is a wasteful number, since it uses less digits than its factorization.

133031300202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377684 (or 377658 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 133031300202 its reverse (202003130331), we get a palindrome (335034430533).

The spelling of 133031300202 in words is "one hundred thirty-three billion, thirty-one million, three hundred thousand, two hundred two".