133013230001 has 4 divisors (see below), whose sum is σ = 133390038372. Its totient is φ = 132636421632.

The previous prime is 133013229989. The next prime is 133013230019. The reversal of 133013230001 is 100032310331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100032310331 = 173 ⋅578221447.

It can be written as a sum of positive squares in 2 ways, for example, as 35154375025 + 97858854976 = 187495^2 + 312824^2 .

It is a cyclic number.

It is not a de Polignac number, because 133013230001 - 2¹⁴ = 133013213617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133013230081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188403656 + ... + 188404361.

It is an arithmetic number, because the mean of its divisors is an integer number (33347509593).

Almost surely, 2^133013230001 is an apocalyptic number.

It is an amenable number.

133013230001 is a deficient number, since it is larger than the sum of its proper divisors (376808371).

133013230001 is an equidigital number, since it uses as much as digits as its factorization.

133013230001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376808370.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 133013230001 its reverse (100032310331), we get a palindrome (233045540332).

The spelling of 133013230001 in words is "one hundred thirty-three billion, thirteen million, two hundred thirty thousand, one".