133312311213231 has 16 divisors (see below), whose sum is σ = 181593424857600. Its totient is φ = 86954322668928.

The previous prime is 133312311213223. The next prime is 133312311213247. The reversal of 133312311213231 is 132312113213331.

It is not a de Polignac number, because 133312311213231 - 2³ = 133312311213223 is a prime.

It is a super-2 number, since 2×133312311213231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133312311313231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160435786 + ... + 161264583.

It is an arithmetic number, because the mean of its divisors is an integer number (11349589053600).

Almost surely, 2^{133312311213231} is an apocalyptic number.

133312311213231 is a deficient number, since it is larger than the sum of its proper divisors (48281113644369).

133312311213231 is a wasteful number, since it uses less digits than its factorization.

133312311213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321703358.

The product of its digits is 5832, while the sum is 30.

Adding to 133312311213231 its reverse (132312113213331), we get a palindrome (265624424426562).

The spelling of 133312311213231 in words is "one hundred thirty-three trillion, three hundred twelve billion, three hundred eleven million, two hundred thirteen thousand, two hundred thirty-one".