131111230233 has 16 divisors (see below), whose sum is σ = 182806281216. Its totient is φ = 83428110480.

The previous prime is 131111230181. The next prime is 131111230301. The reversal of 131111230233 is 332032111131.

It is a happy number.

It is not a de Polignac number, because 131111230233 - 2¹⁶ = 131111164697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131111230433) 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, 2002213 + ... + 2066658.

It is an arithmetic number, because the mean of its divisors is an integer number (11425392576).

Almost surely, 2^131111230233 is an apocalyptic number.

It is an amenable number.

131111230233 is a deficient number, since it is larger than the sum of its proper divisors (51695050983).

131111230233 is a wasteful number, since it uses less digits than its factorization.

131111230233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069364.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131111230233 its reverse (332032111131), we get a palindrome (463143341364).

The spelling of 131111230233 in words is "one hundred thirty-one billion, one hundred eleven million, two hundred thirty thousand, two hundred thirty-three".