133231330101 has 4 divisors (see below), whose sum is σ = 177641773472. Its totient is φ = 88820886732.

The previous prime is 133231330081. The next prime is 133231330151. The reversal of 133231330101 is 101033132331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 133231330101 - 2²³ = 133222941493 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 (133231330151) 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, 22205221681 + ... + 22205221686.

It is an arithmetic number, because the mean of its divisors is an integer number (44410443368).

Almost surely, 2^133231330101 is an apocalyptic number.

It is an amenable number.

133231330101 is a deficient number, since it is larger than the sum of its proper divisors (44410443371).

133231330101 is an equidigital number, since it uses as much as digits as its factorization.

133231330101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44410443370.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 133231330101 its reverse (101033132331), we get a palindrome (234264462432).

The spelling of 133231330101 in words is "one hundred thirty-three billion, two hundred thirty-one million, three hundred thirty thousand, one hundred one".