133031220343 has 4 divisors (see below), whose sum is σ = 152035680400. Its totient is φ = 114026760288.

The previous prime is 133031220307. The next prime is 133031220379. The reversal of 133031220343 is 343022130331.

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 (133031220307) and next prime (133031220379).

It is a de Polignac number, because none of the positive numbers 2^k-133031220343 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 (133031220143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9502230018 + ... + 9502230031.

It is an arithmetic number, because the mean of its divisors is an integer number (38008920100).

Almost surely, 2^133031220343 is an apocalyptic number.

133031220343 is a deficient number, since it is larger than the sum of its proper divisors (19004460057).

133031220343 is an equidigital number, since it uses as much as digits as its factorization.

133031220343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19004460056.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 133031220343 its reverse (343022130331), we get a palindrome (476053350674).

The spelling of 133031220343 in words is "one hundred thirty-three billion, thirty-one million, two hundred twenty thousand, three hundred forty-three".