1113313551 has 16 divisors (see below), whose sum is σ = 1770238464. Its totient is φ = 608518944.

The previous prime is 1113313529. The next prime is 1113313613. The reversal of 1113313551 is 1553133111.

It is a happy number.

It is not a de Polignac number, because 1113313551 - 2⁵ = 1113313519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113313511) 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, 1152016 + ... + 1152981.

It is an arithmetic number, because the mean of its divisors is an integer number (110639904).

Almost surely, 2^1113313551 is an apocalyptic number.

1113313551 is a deficient number, since it is larger than the sum of its proper divisors (656924913).

1113313551 is a wasteful number, since it uses less digits than its factorization.

1113313551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305030.

The product of its digits is 675, while the sum is 24.

The square root of 1113313551 is about 33366.3535766197. The cubic root of 1113313551 is about 1036.4280662586.

Adding to 1113313551 its reverse (1553133111), we get a palindrome (2666446662).

The spelling of 1113313551 in words is "one billion, one hundred thirteen million, three hundred thirteen thousand, five hundred fifty-one".