111130312 has 8 divisors (see below), whose sum is σ = 208369350. Its totient is φ = 55565152.

The previous prime is 111130237. The next prime is 111130321. The reversal of 111130312 is 213031111.

It can be written as a sum of positive squares in only one way, i.e., 109704676 + 1425636 = 10474^2 + 1194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 111130292 and 111130301.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6945637 + ... + 6945652.

Almost surely, 2^111130312 is an apocalyptic number.

It is an amenable number.

111130312 is a deficient number, since it is larger than the sum of its proper divisors (97239038).

111130312 is a wasteful number, since it uses less digits than its factorization.

111130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13891295 (or 13891291 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 111130312 is about 10541.8362726804. The cubic root of 111130312 is about 480.7775476479. Note that the first 3 decimals are identical.

Adding to 111130312 its reverse (213031111), we get a palindrome (324161423).

The spelling of 111130312 in words is "one hundred eleven million, one hundred thirty thousand, three hundred twelve".