131213112203 has 2 divisors, whose sum is σ = 131213112204. Its totient is φ = 131213112202.

The previous prime is 131213112139. The next prime is 131213112211. The reversal of 131213112203 is 302211312131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131213112203 - 2⁶ = 131213112139 is a prime.

It is not a weakly prime, because it can be changed into another prime (131213112223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65606556101 + 65606556102.

It is an arithmetic number, because the mean of its divisors is an integer number (65606556102).

Almost surely, 2^131213112203 is an apocalyptic number.

131213112203 is a deficient number, since it is larger than the sum of its proper divisors (1).

131213112203 is an equidigital number, since it uses as much as digits as its factorization.

131213112203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131213112203 its reverse (302211312131), we get a palindrome (433424424334).

The spelling of 131213112203 in words is "one hundred thirty-one billion, two hundred thirteen million, one hundred twelve thousand, two hundred three".