133050431228 has 24 divisors (see below), whose sum is σ = 273544244400. Its totient is φ = 55825355520.

The previous prime is 133050431221. The next prime is 133050431249. The reversal of 133050431228 is 822134050331.

It is a junction number, because it is equal to n+sod(n) for n = 133050431194 and 133050431203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133050431221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116302253 + ... + 116303396.

It is an arithmetic number, because the mean of its divisors is an integer number (11397676850).

Almost surely, 2^133050431228 is an apocalyptic number.

It is an amenable number.

133050431228 is an abundant number, since it is smaller than the sum of its proper divisors (140493813172).

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

133050431228 is a wasteful number, since it uses less digits than its factorization.

133050431228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232605677 (or 232605675 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 133050431228 its reverse (822134050331), we get a palindrome (955184481559).

The spelling of 133050431228 in words is "one hundred thirty-three billion, fifty million, four hundred thirty-one thousand, two hundred twenty-eight".