133231101 has 8 divisors (see below), whose sum is σ = 177708864. Its totient is φ = 88787040.

The previous prime is 133231081. The next prime is 133231103. The reversal of 133231101 is 101132331.

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

It is not a de Polignac number, because 133231101 - 2¹⁴ = 133214717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133231103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3025 + ... + 16601.

It is an arithmetic number, because the mean of its divisors is an integer number (22213608).

Almost surely, 2^133231101 is an apocalyptic number.

It is an amenable number.

133231101 is a deficient number, since it is larger than the sum of its proper divisors (44477763).

133231101 is a wasteful number, since it uses less digits than its factorization.

133231101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16851.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 133231101 is about 11542.5777450273. The cubic root of 133231101 is about 510.7423522082.

Adding to 133231101 its reverse (101132331), we get a palindrome (234363432).

The spelling of 133231101 in words is "one hundred thirty-three million, two hundred thirty-one thousand, one hundred one".