131022210233 has 4 divisors (see below), whose sum is σ = 131026514148. Its totient is φ = 131017906320.

The previous prime is 131022210227. The next prime is 131022210239. The reversal of 131022210233 is 332012220131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (131022210227) and next prime (131022210239).

It can be written as a sum of positive squares in 2 ways, for example, as 111985937449 + 19036272784 = 334643^2 + 137972^2 .

It is a cyclic number.

It is not a de Polignac number, because 131022210233 - 2¹⁴ = 131022193849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131022210239) 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, 2105966 + ... + 2167287.

It is an arithmetic number, because the mean of its divisors is an integer number (32756628537).

Almost surely, 2^131022210233 is an apocalyptic number.

It is an amenable number.

131022210233 is a deficient number, since it is larger than the sum of its proper divisors (4303915).

131022210233 is an equidigital number, since it uses as much as digits as its factorization.

131022210233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303914.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131022210233 its reverse (332012220131), we get a palindrome (463034430364).

The spelling of 131022210233 in words is "one hundred thirty-one billion, twenty-two million, two hundred ten thousand, two hundred thirty-three".