1031321112323 has 2 divisors, whose sum is σ = 1031321112324. Its totient is φ = 1031321112322.

The previous prime is 1031321112313. The next prime is 1031321112343. The reversal of 1031321112323 is 3232111231301.

1031321112323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031321112323 - 2⁴ = 1031321112307 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031321112313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515660556161 + 515660556162.

It is an arithmetic number, because the mean of its divisors is an integer number (515660556162).

Almost surely, 2^{1031321112323} is an apocalyptic number.

1031321112323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031321112323 is an equidigital number, since it uses as much as digits as its factorization.

1031321112323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1031321112323 its reverse (3232111231301), we get a palindrome (4263432343624).

The spelling of 1031321112323 in words is "one trillion, thirty-one billion, three hundred twenty-one million, one hundred twelve thousand, three hundred twenty-three".