10311330123397 has 2 divisors, whose sum is σ = 10311330123398. Its totient is φ = 10311330123396.

The previous prime is 10311330123307. The next prime is 10311330123403. The reversal of 10311330123397 is 79332103311301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10291302496036 + 20027627361 = 3208006^2 + 141519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10311330123397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10311330123307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155665061698 + 5155665061699.

It is an arithmetic number, because the mean of its divisors is an integer number (5155665061699).

Almost surely, 2^{10311330123397} is an apocalyptic number.

It is an amenable number.

10311330123397 is a deficient number, since it is larger than the sum of its proper divisors (1).

10311330123397 is an equidigital number, since it uses as much as digits as its factorization.

10311330123397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 37.

Adding to 10311330123397 its reverse (79332103311301), we get a palindrome (89643433434698).

The spelling of 10311330123397 in words is "ten trillion, three hundred eleven billion, three hundred thirty million, one hundred twenty-three thousand, three hundred ninety-seven".