131623310203 has 16 divisors (see below), whose sum is σ = 173754837504. Its totient is φ = 96530463360.

The previous prime is 131623310197. The next prime is 131623310207. The reversal of 131623310203 is 302013326131.

It is a cyclic number.

It is not a de Polignac number, because 131623310203 - 2⁹ = 131623309691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131623310207) 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, 50274975 + ... + 50277592.

It is an arithmetic number, because the mean of its divisors is an integer number (10859677344).

Almost surely, 2^131623310203 is an apocalyptic number.

131623310203 is a deficient number, since it is larger than the sum of its proper divisors (42131527301).

131623310203 is a wasteful number, since it uses less digits than its factorization.

131623310203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100552602.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 131623310203 its reverse (302013326131), we get a palindrome (433636636334).

The spelling of 131623310203 in words is "one hundred thirty-one billion, six hundred twenty-three million, three hundred ten thousand, two hundred three".