3161435081 has 8 divisors (see below), whose sum is σ = 3623792640. Its totient is φ = 2701758528.

The previous prime is 3161435063. The next prime is 3161435111. The reversal of 3161435081 is 1805341613.

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

It is not a de Polignac number, because 3161435081 - 2²⁶ = 3094326217 is a prime.

It is a super-3 number, since 3×3161435081³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3161455081) 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, 667721 + ... + 672438.

It is an arithmetic number, because the mean of its divisors is an integer number (452974080).

Almost surely, 2^3161435081 is an apocalyptic number.

It is an amenable number.

3161435081 is a deficient number, since it is larger than the sum of its proper divisors (462357559).

3161435081 is a wasteful number, since it uses less digits than its factorization.

3161435081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340503.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 3161435081 is about 56226.6403140006. The cubic root of 3161435081 is about 1467.6688925067.

Adding to 3161435081 its reverse (1805341613), we get a palindrome (4966776694).

The spelling of 3161435081 in words is "three billion, one hundred sixty-one million, four hundred thirty-five thousand, eighty-one".