1113201331 has 12 divisors (see below), whose sum is σ = 1227173976. Its totient is φ = 1009046720.

The previous prime is 1113201283. The next prime is 1113201343. The reversal of 1113201331 is 1331023111.

It is not a de Polignac number, because 1113201331 - 2⁹ = 1113200819 is a prime.

It is a super-2 number, since 2×1113201331² = 2478434406680343122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113201731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28731 + ... + 55243.

It is an arithmetic number, because the mean of its divisors is an integer number (102264498).

Almost surely, 2^1113201331 is an apocalyptic number.

1113201331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1113201331 is a deficient number, since it is larger than the sum of its proper divisors (113972645).

1113201331 is a wasteful number, since it uses less digits than its factorization.

1113201331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26882 (or 26871 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1113201331 is about 33364.6719000802. The cubic root of 1113201331 is about 1036.3932417280.

Adding to 1113201331 its reverse (1331023111), we get a palindrome (2444224442).

The spelling of 1113201331 in words is "one billion, one hundred thirteen million, two hundred one thousand, three hundred thirty-one".