113440404312 has 64 divisors (see below), whose sum is σ = 315228348000. Its totient is φ = 37799534592.

The previous prime is 113440404307. The next prime is 113440404313. The reversal of 113440404312 is 213404044311.

113440404312 is a `hidden beast` number, since 1 + 1 + 344 + 0 + 4 + 0 + 4 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113440404313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499264 + ... + 690032.

Almost surely, 2^113440404312 is an apocalyptic number.

113440404312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113440404312 is an abundant number, since it is smaller than the sum of its proper divisors (201787943688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113440404312 is a wasteful number, since it uses less digits than its factorization.

113440404312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193537 (or 193527 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 113440404312 its reverse (213404044311), we get a palindrome (326844448623).

The spelling of 113440404312 in words is "one hundred thirteen billion, four hundred forty million, four hundred four thousand, three hundred twelve".