31023123120347 has 2 divisors, whose sum is σ = 31023123120348. Its totient is φ = 31023123120346.

The previous prime is 31023123120259. The next prime is 31023123120377. The reversal of 31023123120347 is 74302132132013.

It is a strong prime.

It is an emirp because it is prime and its reverse (74302132132013) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31023123120347 is a prime.

It is not a weakly prime, because it can be changed into another prime (31023123120377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511561560173 + 15511561560174.

It is an arithmetic number, because the mean of its divisors is an integer number (15511561560174).

Almost surely, 2^{31023123120347} is an apocalyptic number.

31023123120347 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023123120347 is an equidigital number, since it uses as much as digits as its factorization.

31023123120347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 31023123120347 in words is "thirty-one trillion, twenty-three billion, one hundred twenty-three million, one hundred twenty thousand, three hundred forty-seven".