1113357312 has 220 divisors, whose sum is σ = 3439877056. Its totient is φ = 358318080.

The previous prime is 1113357293. The next prime is 1113357331. The reversal of 1113357312 is 2137533111.

It is a happy number.

1113357312 is a `hidden beast` number, since 1 + 11 + 335 + 7 + 312 = 666.

It is an interprime number because it is at equal distance from previous prime (1113357293) and next prime (1113357331).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2571048 + ... + 2571480.

Almost surely, 2^1113357312 is an apocalyptic number.

1113357312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113357312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1719938528).

1113357312 is an abundant number, since it is smaller than the sum of its proper divisors (2326519744).

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

1113357312 is an equidigital number, since it uses as much as digits as its factorization.

1113357312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 469 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 1113357312 is about 33367.0093355698. The cubic root of 1113357312 is about 1036.4416457018.

The spelling of 1113357312 in words is "one billion, one hundred thirteen million, three hundred fifty-seven thousand, three hundred twelve".