3123161641 has 8 divisors (see below), whose sum is σ = 3231494280. Its totient is φ = 3014871552.

The previous prime is 3123161623. The next prime is 3123161669. The reversal of 3123161641 is 1461613213.

3123161641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 819161641 + 2304000000 = 28621^2 + 48000^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3123161641 - 2¹¹ = 3123159593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3124161641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235791 + ... + 248683.

It is an arithmetic number, because the mean of its divisors is an integer number (403936785).

Almost surely, 2^3123161641 is an apocalyptic number.

It is an amenable number.

3123161641 is a deficient number, since it is larger than the sum of its proper divisors (108332639).

3123161641 is a wasteful number, since it uses less digits than its factorization.

3123161641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21275.

The product of its digits is 2592, while the sum is 28.

The square root of 3123161641 is about 55885.2542358000. The cubic root of 3123161641 is about 1461.7221251737.

Adding to 3123161641 its reverse (1461613213), we get a palindrome (4584774854).

The spelling of 3123161641 in words is "three billion, one hundred twenty-three million, one hundred sixty-one thousand, six hundred forty-one".