3161146831 has 4 divisors (see below), whose sum is σ = 3327523000. Its totient is φ = 2994770664.

The previous prime is 3161146829. The next prime is 3161146847. The reversal of 3161146831 is 1386411613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1386411613 = 29 ⋅47807297.

It is a cyclic number.

It is not a de Polignac number, because 3161146831 - 2¹ = 3161146829 is a prime.

It is a super-2 number, since 2×3161146831² = 19985698574282685122, which contains 22 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 (3161146231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83188056 + ... + 83188093.

It is an arithmetic number, because the mean of its divisors is an integer number (831880750).

Almost surely, 2^3161146831 is an apocalyptic number.

3161146831 is a deficient number, since it is larger than the sum of its proper divisors (166376169).

3161146831 is a wasteful number, since it uses less digits than its factorization.

3161146831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166376168.

The product of its digits is 10368, while the sum is 34.

The square root of 3161146831 is about 56224.0769688574. The cubic root of 3161146831 is about 1467.6242852945.

The spelling of 3161146831 in words is "three billion, one hundred sixty-one million, one hundred forty-six thousand, eight hundred thirty-one".