3113111312 has 10 divisors (see below), whose sum is σ = 6031653198. Its totient is φ = 1556555648.

The previous prime is 3113111311. The next prime is 3113111329. The reversal of 3113111312 is 2131113113.

It can be written as a sum of positive squares in only one way, i.e., 2924213776 + 188897536 = 54076^2 + 13744^2 .

It is a super-2 number, since 2×3113111312² = 19382924081804722688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3113111311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97284713 + ... + 97284744.

Almost surely, 2^3113111312 is an apocalyptic number.

It is an amenable number.

3113111312 is a deficient number, since it is larger than the sum of its proper divisors (2918541886).

3113111312 is a wasteful number, since it uses less digits than its factorization.

3113111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194569465 (or 194569459 counting only the distinct ones).

The product of its digits is 54, while the sum is 17.

The square root of 3113111312 is about 55795.2624512153. The cubic root of 3113111312 is about 1460.1525004900.

Adding to 3113111312 its reverse (2131113113), we get a palindrome (5244224425).

The spelling of 3113111312 in words is "three billion, one hundred thirteen million, one hundred eleven thousand, three hundred twelve".