133313403433 has 4 divisors (see below), whose sum is σ = 152358175360. Its totient is φ = 114268631508.

The previous prime is 133313403427. The next prime is 133313403463. The reversal of 133313403433 is 334304313331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 334304313331 = 7069 ⋅47291599.

It is a cyclic number.

It is not a de Polignac number, because 133313403433 - 2⁹ = 133313402921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133313403395 and 133313403404.

It is not an unprimeable number, because it can be changed into a prime (133313403403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9522385953 + ... + 9522385966.

It is an arithmetic number, because the mean of its divisors is an integer number (38089543840).

Almost surely, 2^133313403433 is an apocalyptic number.

It is an amenable number.

133313403433 is a deficient number, since it is larger than the sum of its proper divisors (19044771927).

133313403433 is an equidigital number, since it uses as much as digits as its factorization.

133313403433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19044771926.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 133313403433 its reverse (334304313331), we get a palindrome (467617716764).

The spelling of 133313403433 in words is "one hundred thirty-three billion, three hundred thirteen million, four hundred three thousand, four hundred thirty-three".