12303131101 has 2 divisors, whose sum is σ = 12303131102. Its totient is φ = 12303131100.

The previous prime is 12303131059. The next prime is 12303131119. The reversal of 12303131101 is 10113130321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8226308601 + 4076822500 = 90699^2 + 63850^2 .

It is a cyclic number.

It is not a de Polignac number, because 12303131101 - 2¹⁷ = 12303000029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12303131131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151565550 + 6151565551.

It is an arithmetic number, because the mean of its divisors is an integer number (6151565551).

Almost surely, 2^12303131101 is an apocalyptic number.

It is an amenable number.

12303131101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303131101 is an equidigital number, since it uses as much as digits as its factorization.

12303131101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 12303131101 its reverse (10113130321), we get a palindrome (22416261422).

The spelling of 12303131101 in words is "twelve billion, three hundred three million, one hundred thirty-one thousand, one hundred one".