133001423311 has 4 divisors (see below), whose sum is σ = 133002195624. Its totient is φ = 133000651000.

The previous prime is 133001423287. The next prime is 133001423369. The reversal of 133001423311 is 113324100331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 133001423311 - 2⁵ = 133001423279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133001423381) 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, 2661 + ... + 515761.

It is an arithmetic number, because the mean of its divisors is an integer number (33250548906).

Almost surely, 2^133001423311 is an apocalyptic number.

133001423311 is a deficient number, since it is larger than the sum of its proper divisors (772313).

133001423311 is an equidigital number, since it uses as much as digits as its factorization.

133001423311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772312.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133001423311 its reverse (113324100331), we get a palindrome (246325523642).

The spelling of 133001423311 in words is "one hundred thirty-three billion, one million, four hundred twenty-three thousand, three hundred eleven".