1000113331 has 4 divisors (see below), whose sum is σ = 1142986672. Its totient is φ = 857239992.

The previous prime is 1000113319. The next prime is 1000113371. The reversal of 1000113331 is 1333110001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1000113331 - 2¹¹ = 1000111283 is a prime.

It is a super-3 number, since 3×1000113331³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000113371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71436660 + ... + 71436673.

It is an arithmetic number, because the mean of its divisors is an integer number (285746668).

Almost surely, 2^1000113331 is an apocalyptic number.

1000113331 is a deficient number, since it is larger than the sum of its proper divisors (142873341).

1000113331 is an equidigital number, since it uses as much as digits as its factorization.

1000113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142873340.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1000113331 is about 31624.5684713642. The cubic root of 1000113331 is about 1000.0377755730.

Adding to 1000113331 its reverse (1333110001), we get a palindrome (2333223332).

It can be divided in two parts, 10001 and 13331, that multiplied together give a palindrome (133323331).

The spelling of 1000113331 in words is "one billion, one hundred thirteen thousand, three hundred thirty-one".