3161342321 has 4 divisors (see below), whose sum is σ = 3347303652. Its totient is φ = 2975380992.

The previous prime is 3161342297. The next prime is 3161342333. The reversal of 3161342321 is 1232431613.

3161342321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1232431613 = 7 ⋅176061659.

It can be written as a sum of positive squares in 2 ways, for example, as 2635282225 + 526060096 = 51335^2 + 22936^2 .

It is a cyclic number.

It is not a de Polignac number, because 3161342321 - 2⁶ = 3161342257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3161342381) 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, 92980640 + ... + 92980673.

It is an arithmetic number, because the mean of its divisors is an integer number (836825913).

Almost surely, 2^3161342321 is an apocalyptic number.

It is an amenable number.

3161342321 is a deficient number, since it is larger than the sum of its proper divisors (185961331).

3161342321 is a wasteful number, since it uses less digits than its factorization.

3161342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185961330.

The product of its digits is 2592, while the sum is 26.

The square root of 3161342321 is about 56225.8154320593. The cubic root of 3161342321 is about 1467.6545380238.

Adding to 3161342321 its reverse (1232431613), we get a palindrome (4393773934).

The spelling of 3161342321 in words is "three billion, one hundred sixty-one million, three hundred forty-two thousand, three hundred twenty-one".