131102012203 has 2 divisors, whose sum is σ = 131102012204. Its totient is φ = 131102012202.

The previous prime is 131102012137. The next prime is 131102012221. The reversal of 131102012203 is 302210201131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131102012203 is a prime.

It is not a weakly prime, because it can be changed into another prime (131102012263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65551006101 + 65551006102.

It is an arithmetic number, because the mean of its divisors is an integer number (65551006102).

Almost surely, 2^131102012203 is an apocalyptic number.

131102012203 is a deficient number, since it is larger than the sum of its proper divisors (1).

131102012203 is an equidigital number, since it uses as much as digits as its factorization.

131102012203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131102012203 its reverse (302210201131), we get a palindrome (433312213334).

The spelling of 131102012203 in words is "one hundred thirty-one billion, one hundred two million, twelve thousand, two hundred three".