31023212013071 has 2 divisors, whose sum is σ = 31023212013072. Its totient is φ = 31023212013070.

The previous prime is 31023212013047. The next prime is 31023212013077. The reversal of 31023212013071 is 17031021232013.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31023212013071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31023212013071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31023212013077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511606006535 + 15511606006536.

It is an arithmetic number, because the mean of its divisors is an integer number (15511606006536).

Almost surely, 2^{31023212013071} is an apocalyptic number.

31023212013071 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023212013071 is an equidigital number, since it uses as much as digits as its factorization.

31023212013071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 31023212013071 its reverse (17031021232013), we get a palindrome (48054233245084).

The spelling of 31023212013071 in words is "thirty-one trillion, twenty-three billion, two hundred twelve million, thirteen thousand, seventy-one".