131211023323233 has 16 divisors (see below), whose sum is σ = 199940778392576. Its totient is φ = 74977663329360.

The previous prime is 131211023323169. The next prime is 131211023323267. The reversal of 131211023323233 is 332323320112131.

It is not a de Polignac number, because 131211023323233 - 2⁶ = 131211023323169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131211023323233.

It is not an unprimeable number, because it can be changed into a prime (131211023323283) 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, 34217718 + ... + 37858608.

It is an arithmetic number, because the mean of its divisors is an integer number (12496298649536).

Almost surely, 2^{131211023323233} is an apocalyptic number.

It is an amenable number.

131211023323233 is a deficient number, since it is larger than the sum of its proper divisors (68729755069343).

131211023323233 is a wasteful number, since it uses less digits than its factorization.

131211023323233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5357004.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 131211023323233 its reverse (332323320112131), we get a palindrome (463534343435364).

The spelling of 131211023323233 in words is "one hundred thirty-one trillion, two hundred eleven billion, twenty-three million, three hundred twenty-three thousand, two hundred thirty-three".