1113313215 has 64 divisors (see below), whose sum is σ = 2095644672. Its totient is φ = 494121600.

The previous prime is 1113313213. The next prime is 1113313231. The reversal of 1113313215 is 5123133111.

It is not a de Polignac number, because 1113313215 - 2¹ = 1113313213 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 1113313191 and 1113313200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113313211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 861720 + ... + 863010.

It is an arithmetic number, because the mean of its divisors is an integer number (32744448).

Almost surely, 2^1113313215 is an apocalyptic number.

1113313215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1113313215 is a deficient number, since it is larger than the sum of its proper divisors (982331457).

1113313215 is a wasteful number, since it uses less digits than its factorization.

1113313215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540.

The product of its digits is 270, while the sum is 21.

The square root of 1113313215 is about 33366.3485416070. The cubic root of 1113313215 is about 1036.4279619934.

Adding to 1113313215 its reverse (5123133111), we get a palindrome (6236446326).

The spelling of 1113313215 in words is "one billion, one hundred thirteen million, three hundred thirteen thousand, two hundred fifteen".