342128831641 has 2 divisors, whose sum is σ = 342128831642. Its totient is φ = 342128831640.

The previous prime is 342128831599. The next prime is 342128831657. The reversal of 342128831641 is 146138821243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318439004416 + 23689827225 = 564304^2 + 153915^2 .

It is an emirp because it is prime and its reverse (146138821243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342128831641 - 2¹¹ = 342128829593 is a prime.

It is not a weakly prime, because it can be changed into another prime (342128331641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171064415820 + 171064415821.

It is an arithmetic number, because the mean of its divisors is an integer number (171064415821).

Almost surely, 2^342128831641 is an apocalyptic number.

It is an amenable number.

342128831641 is a deficient number, since it is larger than the sum of its proper divisors (1).

342128831641 is an equidigital number, since it uses as much as digits as its factorization.

342128831641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 43.

The spelling of 342128831641 in words is "three hundred forty-two billion, one hundred twenty-eight million, eight hundred thirty-one thousand, six hundred forty-one".