133051310550 has 36 divisors (see below), whose sum is σ = 357464522220. Its totient is φ = 35480349360.

The previous prime is 133051310533. The next prime is 133051310551. The reversal of 133051310550 is 55013150331.

133051310550 is a `hidden beast` number, since 1 + 3 + 30 + 51 + 31 + 0 + 550 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133051310551) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 147834340 + ... + 147835239.

Almost surely, 2^133051310550 is an apocalyptic number.

133051310550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133051310550 is an abundant number, since it is smaller than the sum of its proper divisors (224413211670).

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

133051310550 is a wasteful number, since it uses less digits than its factorization.

133051310550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295669597 (or 295669589 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 27.

Adding to 133051310550 its reverse (55013150331), we get a palindrome (188064460881).

The spelling of 133051310550 in words is "one hundred thirty-three billion, fifty-one million, three hundred ten thousand, five hundred fifty".