131032210123 has 4 divisors (see below), whose sum is σ = 131283712008. Its totient is φ = 130780708240.

The previous prime is 131032210121. The next prime is 131032210129. The reversal of 131032210123 is 321012230131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321012230131 = 887 ⋅361907813.

It is a cyclic number.

It is not a de Polignac number, because 131032210123 - 2¹ = 131032210121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131032210123.

It is not an unprimeable number, because it can be changed into a prime (131032210121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125750161 + ... + 125751202.

It is an arithmetic number, because the mean of its divisors is an integer number (32820928002).

Almost surely, 2^131032210123 is an apocalyptic number.

131032210123 is a deficient number, since it is larger than the sum of its proper divisors (251501885).

131032210123 is an equidigital number, since it uses as much as digits as its factorization.

131032210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251501884.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131032210123 its reverse (321012230131), we get a palindrome (452044440254).

The spelling of 131032210123 in words is "one hundred thirty-one billion, thirty-two million, two hundred ten thousand, one hundred twenty-three".