131123022233 has 4 divisors (see below), whose sum is σ = 149854882560. Its totient is φ = 112391161908.

The previous prime is 131123022209. The next prime is 131123022257. The reversal of 131123022233 is 332220321131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (131123022209) and next prime (131123022257).

It is a cyclic number.

It is not a de Polignac number, because 131123022233 - 2¹⁰ = 131123021209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131123022199 and 131123022208.

It is not an unprimeable number, because it can be changed into a prime (131123022203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9365930153 + ... + 9365930166.

It is an arithmetic number, because the mean of its divisors is an integer number (37463720640).

Almost surely, 2^131123022233 is an apocalyptic number.

It is an amenable number.

131123022233 is a deficient number, since it is larger than the sum of its proper divisors (18731860327).

131123022233 is an equidigital number, since it uses as much as digits as its factorization.

131123022233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18731860326.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131123022233 its reverse (332220321131), we get a palindrome (463343343364).

The spelling of 131123022233 in words is "one hundred thirty-one billion, one hundred twenty-three million, twenty-two thousand, two hundred thirty-three".