113143012 has 6 divisors (see below), whose sum is σ = 198000278. Its totient is φ = 56571504.

The previous prime is 113142961. The next prime is 113143033. The reversal of 113143012 is 210341311.

It can be written as a sum of positive squares in only one way, i.e., 112699456 + 443556 = 10616^2 + 666^2 .

It is a super-3 number, since 3×113143012³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14142873 + ... + 14142880.

Almost surely, 2^113143012 is an apocalyptic number.

It is an amenable number.

113143012 is a deficient number, since it is larger than the sum of its proper divisors (84857266).

113143012 is a wasteful number, since it uses less digits than its factorization.

113143012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28285757 (or 28285755 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 113143012 is about 10636.8704044000. The cubic root of 113143012 is about 483.6626807476.

Adding to 113143012 its reverse (210341311), we get a palindrome (323484323).

The spelling of 113143012 in words is "one hundred thirteen million, one hundred forty-three thousand, twelve".