71210115311323 has 2 divisors, whose sum is σ = 71210115311324. Its totient is φ = 71210115311322.

The previous prime is 71210115311297. The next prime is 71210115311353. The reversal of 71210115311323 is 32311351101217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71210115311323 - 2²⁹ = 71209578440411 is a prime.

It is a super-2 number, since 2×71210115311323² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71210115311353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35605057655661 + 35605057655662.

It is an arithmetic number, because the mean of its divisors is an integer number (35605057655662).

Almost surely, 2^{71210115311323} is an apocalyptic number.

71210115311323 is a deficient number, since it is larger than the sum of its proper divisors (1).

71210115311323 is an equidigital number, since it uses as much as digits as its factorization.

71210115311323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 31.

The spelling of 71210115311323 in words is "seventy-one trillion, two hundred ten billion, one hundred fifteen million, three hundred eleven thousand, three hundred twenty-three".