81301343717710 has 64 divisors (see below), whose sum is σ = 147815729639424. Its totient is φ = 32194421251200.

The previous prime is 81301343717687. The next prime is 81301343717791. The reversal of 81301343717710 is 1771734310318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 994750867 + ... + 994832593.

It is an arithmetic number, because the mean of its divisors is an integer number (2309620775616).

Almost surely, 2^{81301343717710} is an apocalyptic number.

81301343717710 is a deficient number, since it is larger than the sum of its proper divisors (66514385921714).

81301343717710 is a wasteful number, since it uses less digits than its factorization.

81301343717710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83689.

The product of its (nonzero) digits is 296352, while the sum is 46.

The spelling of 81301343717710 in words is "eighty-one trillion, three hundred one billion, three hundred forty-three million, seven hundred seventeen thousand, seven hundred ten".