133331212303 has 4 divisors (see below), whose sum is σ = 135846895608. Its totient is φ = 130815529000.

The previous prime is 133331212297. The next prime is 133331212309. The reversal of 133331212303 is 303212133331.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (133331212297) and next prime (133331212309).

It is a cyclic number.

It is not a de Polignac number, because 133331212303 - 2⁵ = 133331212271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133331212309) 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, 1257841573 + ... + 1257841678.

It is an arithmetic number, because the mean of its divisors is an integer number (33961723902).

Almost surely, 2^133331212303 is an apocalyptic number.

133331212303 is a deficient number, since it is larger than the sum of its proper divisors (2515683305).

133331212303 is an equidigital number, since it uses as much as digits as its factorization.

133331212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515683304.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 133331212303 its reverse (303212133331), we get a palindrome (436543345634).

The spelling of 133331212303 in words is "one hundred thirty-three billion, three hundred thirty-one million, two hundred twelve thousand, three hundred three".