11312131011373 has 2 divisors, whose sum is σ = 11312131011374. Its totient is φ = 11312131011372.

The previous prime is 11312131011371. The next prime is 11312131011383. The reversal of 11312131011373 is 37311013121311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10841860119204 + 470270892169 = 3292698^2 + 685763^2 .

It is a cyclic number.

It is not a de Polignac number, because 11312131011373 - 2¹ = 11312131011371 is a prime.

Together with 11312131011371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11312131011371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656065505686 + 5656065505687.

It is an arithmetic number, because the mean of its divisors is an integer number (5656065505687).

Almost surely, 2^{11312131011373} is an apocalyptic number.

It is an amenable number.

11312131011373 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312131011373 is an equidigital number, since it uses as much as digits as its factorization.

11312131011373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

Adding to 11312131011373 its reverse (37311013121311), we get a palindrome (48623144132684).

The spelling of 11312131011373 in words is "eleven trillion, three hundred twelve billion, one hundred thirty-one million, eleven thousand, three hundred seventy-three".