131112022313 has 2 divisors, whose sum is σ = 131112022314. Its totient is φ = 131112022312.

The previous prime is 131112022297. The next prime is 131112022333. The reversal of 131112022313 is 313220211131.

It is a happy number.

It is an a-pointer prime, because the next prime (131112022333) can be obtained adding 131112022313 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66955185049 + 64156837264 = 258757^2 + 253292^2 .

It is a cyclic number.

It is not a de Polignac number, because 131112022313 - 2⁴ = 131112022297 is a prime.

It is not a weakly prime, because it can be changed into another prime (131112022333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65556011156 + 65556011157.

It is an arithmetic number, because the mean of its divisors is an integer number (65556011157).

Almost surely, 2^131112022313 is an apocalyptic number.

It is an amenable number.

131112022313 is a deficient number, since it is larger than the sum of its proper divisors (1).

131112022313 is an equidigital number, since it uses as much as digits as its factorization.

131112022313 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 131112022313 its reverse (313220211131), we get a palindrome (444332233444).

The spelling of 131112022313 in words is "one hundred thirty-one billion, one hundred twelve million, twenty-two thousand, three hundred thirteen".