3181146073 has 8 divisors (see below), whose sum is σ = 3712948992. Its totient is φ = 2668681536.

The previous prime is 3181146061. The next prime is 3181146113. The reversal of 3181146073 is 3706411813.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3181146073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3181146013) 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, 4834240 + ... + 4834897.

It is an arithmetic number, because the mean of its divisors is an integer number (464118624).

Almost surely, 2^3181146073 is an apocalyptic number.

It is an amenable number.

3181146073 is a deficient number, since it is larger than the sum of its proper divisors (531802919).

3181146073 is an equidigital number, since it uses as much as digits as its factorization.

3181146073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9669191.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 3181146073 is about 56401.6495592106. The cubic root of 3181146073 is about 1470.7127943640.

Adding to 3181146073 its reverse (3706411813), we get a palindrome (6887557886).

The spelling of 3181146073 in words is "three billion, one hundred eighty-one million, one hundred forty-six thousand, seventy-three".