2161030341 has 16 divisors (see below), whose sum is σ = 3035576000. Its totient is φ = 1363713408.

The previous prime is 2161030301. The next prime is 2161030373. The reversal of 2161030341 is 1430301612.

It is not a de Polignac number, because 2161030341 - 2⁷ = 2161030213 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161030301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55185 + ... + 85833.

It is an arithmetic number, because the mean of its divisors is an integer number (189723500).

Almost surely, 2^2161030341 is an apocalyptic number.

It is an amenable number.

2161030341 is a deficient number, since it is larger than the sum of its proper divisors (874545659).

2161030341 is a wasteful number, since it uses less digits than its factorization.

2161030341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31908.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2161030341 is about 46486.8835371871. The cubic root of 2161030341 is about 1292.8663186053.

Adding to 2161030341 its reverse (1430301612), we get a palindrome (3591331953).

The spelling of 2161030341 in words is "two billion, one hundred sixty-one million, thirty thousand, three hundred forty-one".