1113404313 has 48 divisors (see below), whose sum is σ = 1825751040. Its totient is φ = 600112800.

The previous prime is 1113404311. The next prime is 1113404381. The reversal of 1113404313 is 3134043111.

It is not a de Polignac number, because 1113404313 - 2¹ = 1113404311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1113404313.

It is not an unprimeable number, because it can be changed into a prime (1113404311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 756168 + ... + 757638.

It is an arithmetic number, because the mean of its divisors is an integer number (38036480).

Almost surely, 2^1113404313 is an apocalyptic number.

It is an amenable number.

1113404313 is a deficient number, since it is larger than the sum of its proper divisors (712346727).

1113404313 is a wasteful number, since it uses less digits than its factorization.

1113404313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1113404313 is about 33367.7136315930. The cubic root of 1113404313 is about 1036.4562301507.

1113404313 divided by its sum of digits (21) gives a triangular number (53019253 = T₁₀₂₉₇).

Adding to 1113404313 its reverse (3134043111), we get a palindrome (4247447424).

The spelling of 1113404313 in words is "one billion, one hundred thirteen million, four hundred four thousand, three hundred thirteen".