133534612931 has 2 divisors, whose sum is σ = 133534612932. Its totient is φ = 133534612930.

The previous prime is 133534612907. The next prime is 133534612943. The reversal of 133534612931 is 139216435331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133534612931 is a prime.

It is a super-2 number, since 2×133534612931² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133536612931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66767306465 + 66767306466.

It is an arithmetic number, because the mean of its divisors is an integer number (66767306466).

Almost surely, 2^133534612931 is an apocalyptic number.

133534612931 is a deficient number, since it is larger than the sum of its proper divisors (1).

133534612931 is an equidigital number, since it uses as much as digits as its factorization.

133534612931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 41.

The spelling of 133534612931 in words is "one hundred thirty-three billion, five hundred thirty-four million, six hundred twelve thousand, nine hundred thirty-one".