3112131005 has 8 divisors (see below), whose sum is σ = 3756920832. Its totient is φ = 2474795728.

The previous prime is 3112130999. The next prime is 3112131017. The reversal of 3112131005 is 5001312113.

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 3112131005 - 2⁶ = 3112130941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862717 + ... + 1864386.

It is an arithmetic number, because the mean of its divisors is an integer number (469615104).

Almost surely, 2^3112131005 is an apocalyptic number.

It is an amenable number.

3112131005 is a deficient number, since it is larger than the sum of its proper divisors (644789827).

3112131005 is a wasteful number, since it uses less digits than its factorization.

3112131005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727275.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 3112131005 is about 55786.4769007687. The cubic root of 3112131005 is about 1459.9992188962. Note that the first 3 decimals are identical.

Adding to 3112131005 its reverse (5001312113), we get a palindrome (8113443118).

It can be divided in two parts, 31121 and 31005, that added together give a palindrome (62126).

The spelling of 3112131005 in words is "three billion, one hundred twelve million, one hundred thirty-one thousand, five".