3113312131 has 8 divisors (see below), whose sum is σ = 3272048640. Its totient is φ = 2956523592.

The previous prime is 3113312129. The next prime is 3113312141. The reversal of 3113312131 is 1312133113.

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

It is not a de Polignac number, because 3113312131 - 2¹ = 3113312129 is a prime.

It is a super-2 number, since 2×3113312131² = 19385424850063522322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3113312099 and 3113312108.

It is not an unprimeable number, because it can be changed into a prime (3113312141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483715 + ... + 490108.

It is an arithmetic number, because the mean of its divisors is an integer number (409006080).

Almost surely, 2^3113312131 is an apocalyptic number.

3113312131 is a deficient number, since it is larger than the sum of its proper divisors (158736509).

3113312131 is a wasteful number, since it uses less digits than its factorization.

3113312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973985.

The product of its digits is 162, while the sum is 19.

The square root of 3113312131 is about 55797.0620283900. The cubic root of 3113312131 is about 1460.1838967397.

Adding to 3113312131 its reverse (1312133113), we get a palindrome (4425445244).

It can be divided in two parts, 31133 and 12131, that added together give a square (43264 = 208²).

The spelling of 3113312131 in words is "three billion, one hundred thirteen million, three hundred twelve thousand, one hundred thirty-one".