133212013331 has 2 divisors, whose sum is σ = 133212013332. Its totient is φ = 133212013330.

The previous prime is 133212013327. The next prime is 133212013339. The reversal of 133212013331 is 133310212331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133212013331 - 2² = 133212013327 is a prime.

It is a super-2 number, since 2×133212013331² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 133212013297 and 133212013306.

It is not a weakly prime, because it can be changed into another prime (133212013339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66606006665 + 66606006666.

It is an arithmetic number, because the mean of its divisors is an integer number (66606006666).

Almost surely, 2^133212013331 is an apocalyptic number.

133212013331 is a deficient number, since it is larger than the sum of its proper divisors (1).

133212013331 is an equidigital number, since it uses as much as digits as its factorization.

133212013331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 133212013331 its reverse (133310212331), we get a palindrome (266522225662).

The spelling of 133212013331 in words is "one hundred thirty-three billion, two hundred twelve million, thirteen thousand, three hundred thirty-one".