102581342141 has 4 divisors (see below), whose sum is σ = 102667329372. Its totient is φ = 102495354912.

The previous prime is 102581342099. The next prime is 102581342147. The reversal of 102581342141 is 141243185201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86585416516 + 15995925625 = 294254^2 + 126475^2 .

It is a cyclic number.

It is not a de Polignac number, because 102581342141 - 2²² = 102577147837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102581342098 and 102581342107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102581342147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42991826 + ... + 42994211.

It is an arithmetic number, because the mean of its divisors is an integer number (25666832343).

Almost surely, 2^102581342141 is an apocalyptic number.

It is an amenable number.

102581342141 is a deficient number, since it is larger than the sum of its proper divisors (85987231).

102581342141 is an equidigital number, since it uses as much as digits as its factorization.

102581342141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85987230.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 102581342141 in words is "one hundred two billion, five hundred eighty-one million, three hundred forty-two thousand, one hundred forty-one".