133102331 has 2 divisors, whose sum is σ = 133102332. Its totient is φ = 133102330.

The previous prime is 133102327. The next prime is 133102349. The reversal of 133102331 is 133201331.

It is a weak prime.

It is an emirp because it is prime and its reverse (133201331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133102331 - 2² = 133102327 is a prime.

It is a super-2 number, since 2×133102331² = 35432461035267122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133102381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66551165 + 66551166.

It is an arithmetic number, because the mean of its divisors is an integer number (66551166).

Almost surely, 2^133102331 is an apocalyptic number.

133102331 is a deficient number, since it is larger than the sum of its proper divisors (1).

133102331 is an equidigital number, since it uses as much as digits as its factorization.

133102331 is an evil number, because the sum of its binary digits is even.

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

The square root of 133102331 is about 11536.9983531246. The cubic root of 133102331 is about 510.5777522705.

Adding to 133102331 its reverse (133201331), we get a palindrome (266303662).

The spelling of 133102331 in words is "one hundred thirty-three million, one hundred two thousand, three hundred thirty-one".