31144333112323 has 2 divisors, whose sum is σ = 31144333112324. Its totient is φ = 31144333112322.

The previous prime is 31144333112293. The next prime is 31144333112339. The reversal of 31144333112323 is 32321133344113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31144333112323 is a prime.

It is a super-2 number, since 2×31144333112323² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31144333112363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15572166556161 + 15572166556162.

It is an arithmetic number, because the mean of its divisors is an integer number (15572166556162).

Almost surely, 2^{31144333112323} is an apocalyptic number.

31144333112323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31144333112323 is an equidigital number, since it uses as much as digits as its factorization.

31144333112323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 34.

Adding to 31144333112323 its reverse (32321133344113), we get a palindrome (63465466456436).

The spelling of 31144333112323 in words is "thirty-one trillion, one hundred forty-four billion, three hundred thirty-three million, one hundred twelve thousand, three hundred twenty-three".