133331311223231 has 8 divisors (see below), whose sum is σ = 146344685159424. Its totient is φ = 120466661560920.

The previous prime is 133331311223213. The next prime is 133331311223249. The reversal of 133331311223231 is 132322113133331.

It is an interprime number because it is at equal distance from previous prime (133331311223213) and next prime (133331311223249).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133331311223231 is a prime.

It is a super-2 number, since 2×133331311223231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133331311223531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37181066591 + ... + 37181070176.

It is an arithmetic number, because the mean of its divisors is an integer number (18293085644928).

Almost surely, 2^{133331311223231} is an apocalyptic number.

133331311223231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133331311223231 is a deficient number, since it is larger than the sum of its proper divisors (13013373936193).

133331311223231 is a wasteful number, since it uses less digits than its factorization.

133331311223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74362136941.

The product of its digits is 17496, while the sum is 32.

Adding to 133331311223231 its reverse (132322113133331), we get a palindrome (265653424356562).

The spelling of 133331311223231 in words is "one hundred thirty-three trillion, three hundred thirty-one billion, three hundred eleven million, two hundred twenty-three thousand, two hundred thirty-one".