81430114347 has 48 divisors (see below), whose sum is σ = 122936194080. Its totient is φ = 53270737344.

The previous prime is 81430114343. The next prime is 81430114397. The reversal of 81430114347 is 74341103418.

81430114347 is a `hidden beast` number, since 8 + 1 + 4 + 301 + 1 + 4 + 347 = 666.

It is not a de Polignac number, because 81430114347 - 2² = 81430114343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (81430114343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35511333 + ... + 35513625.

It is an arithmetic number, because the mean of its divisors is an integer number (2561170710).

Almost surely, 2^81430114347 is an apocalyptic number.

81430114347 is a deficient number, since it is larger than the sum of its proper divisors (41506079733).

81430114347 is a wasteful number, since it uses less digits than its factorization.

81430114347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729 (or 2656 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 81430114347 in words is "eighty-one billion, four hundred thirty million, one hundred fourteen thousand, three hundred forty-seven".