133303101 has 16 divisors (see below), whose sum is σ = 185892864. Its totient is φ = 84808944.

The previous prime is 133303097. The next prime is 133303141. The reversal of 133303101 is 101303331.

It is not a de Polignac number, because 133303101 - 2² = 133303097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133303141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31620 + ... + 35586.

It is an arithmetic number, because the mean of its divisors is an integer number (11618304).

Almost surely, 2^133303101 is an apocalyptic number.

It is an amenable number.

133303101 is a deficient number, since it is larger than the sum of its proper divisors (52589763).

133303101 is a wasteful number, since it uses less digits than its factorization.

133303101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 133303101 is about 11545.6962111429. The cubic root of 133303101 is about 510.8343398067.

Adding to 133303101 its reverse (101303331), we get a palindrome (234606432).

The spelling of 133303101 in words is "one hundred thirty-three million, three hundred three thousand, one hundred one".