3161325005 has 8 divisors (see below), whose sum is σ = 3821281272. Its totient is φ = 2510599168.

The previous prime is 3161325001. The next prime is 3161325007. The reversal of 3161325005 is 5005231613.

It can be written as a sum of positive squares in 4 ways, for example, as 35844169 + 3125480836 = 5987^2 + 55906^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3161325005 - 2² = 3161325001 is a prime.

It is a super-5 number, since 5×3161325005⁵ (a number of 49 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161325001) 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, 2306852 + ... + 2308221.

It is an arithmetic number, because the mean of its divisors is an integer number (477660159).

Almost surely, 2^3161325005 is an apocalyptic number.

It is an amenable number.

3161325005 is a deficient number, since it is larger than the sum of its proper divisors (659956267).

3161325005 is a wasteful number, since it uses less digits than its factorization.

3161325005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615215.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 3161325005 is about 56225.6614456424. The cubic root of 3161325005 is about 1467.6518583654.

Adding to 3161325005 its reverse (5005231613), we get a palindrome (8166556618).

The spelling of 3161325005 in words is "three billion, one hundred sixty-one million, three hundred twenty-five thousand, five".