133431123331043 has 2 divisors, whose sum is σ = 133431123331044. Its totient is φ = 133431123331042.

The previous prime is 133431123331007. The next prime is 133431123331067. The reversal of 133431123331043 is 340133321134331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133431123331043 - 2¹² = 133431123326947 is a prime.

It is a super-3 number, since 3×133431123331043³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 133431123330994 and 133431123331012.

It is not a weakly prime, because it can be changed into another prime (133431123331073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66715561665521 + 66715561665522.

It is an arithmetic number, because the mean of its divisors is an integer number (66715561665522).

Almost surely, 2^{133431123331043} is an apocalyptic number.

133431123331043 is a deficient number, since it is larger than the sum of its proper divisors (1).

133431123331043 is an equidigital number, since it uses as much as digits as its factorization.

133431123331043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 35.

Adding to 133431123331043 its reverse (340133321134331), we get a palindrome (473564444465374).

The spelling of 133431123331043 in words is "one hundred thirty-three trillion, four hundred thirty-one billion, one hundred twenty-three million, three hundred thirty-one thousand, forty-three".