133028820331 has 8 divisors (see below), whose sum is σ = 145595064384. Its totient is φ = 120541362120.

The previous prime is 133028820317. The next prime is 133028820341.

133028820331 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133028820331 - 2⁵ = 133028820299 is a prime.

It is a super-2 number, since 2×133028820331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133028820341) 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, 19692925 + ... + 19699678.

It is an arithmetic number, because the mean of its divisors is an integer number (18199383048).

Almost surely, 2^133028820331 is an apocalyptic number.

133028820331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133028820331 is a deficient number, since it is larger than the sum of its proper divisors (12566244053).

133028820331 is a wasteful number, since it uses less digits than its factorization.

133028820331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39392921.

The product of its (nonzero) digits is 20736, while the sum is 34.

It can be divided in two parts, 133028 and 820331, that added together give a palindrome (953359).

The spelling of 133028820331 in words is "one hundred thirty-three billion, twenty-eight million, eight hundred twenty thousand, three hundred thirty-one".