347032256161 has 4 divisors (see below), whose sum is σ = 347501854000. Its totient is φ = 346562658324.

The previous prime is 347032256093. The next prime is 347032256183. The reversal of 347032256161 is 161652230743.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161652230743 = 35317 ⋅4577179.

It is a cyclic number.

It is not a de Polignac number, because 347032256161 - 2¹⁵ = 347032223393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347032256561) 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, 234797811 + ... + 234799288.

It is an arithmetic number, because the mean of its divisors is an integer number (86875463500).

Almost surely, 2^347032256161 is an apocalyptic number.

It is an amenable number.

347032256161 is a deficient number, since it is larger than the sum of its proper divisors (469597839).

347032256161 is an equidigital number, since it uses as much as digits as its factorization.

347032256161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469597838.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 347032256161 in words is "three hundred forty-seven billion, thirty-two million, two hundred fifty-six thousand, one hundred sixty-one".