133303511331 has 6 divisors (see below), whose sum is σ = 192549516380. Its totient is φ = 88869007548.

The previous prime is 133303511321. The next prime is 133303511351. The reversal of 133303511331 is 133115303331.

133303511331 is a `hidden beast` number, since 13 + 3 + 303 + 5 + 11 + 331 = 666.

It is not a de Polignac number, because 133303511331 - 2⁶ = 133303511267 is a prime.

It is a super-2 number, since 2×133303511331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133303511295 and 133303511304.

It is not an unprimeable number, because it can be changed into a prime (133303511321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7405750621 + ... + 7405750638.

Almost surely, 2^133303511331 is an apocalyptic number.

133303511331 is a deficient number, since it is larger than the sum of its proper divisors (59246005049).

133303511331 is a wasteful number, since it uses less digits than its factorization.

133303511331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14811501265 (or 14811501262 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 27.

Adding to 133303511331 its reverse (133115303331), we get a palindrome (266418814662).

The spelling of 133303511331 in words is "one hundred thirty-three billion, three hundred three million, five hundred eleven thousand, three hundred thirty-one".