1003113331 has 8 divisors (see below), whose sum is σ = 1119754944. Its totient is φ = 890713320.

The previous prime is 1003113311. The next prime is 1003113343. The reversal of 1003113331 is 1333113001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1003113331 - 2⁵ = 1003113299 is a prime.

It is a super-2 number, since 2×1003113331² = 2012472709659831122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1003113311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059901 + ... + 1060846.

It is an arithmetic number, because the mean of its divisors is an integer number (139969368).

Almost surely, 2^1003113331 is an apocalyptic number.

1003113331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1003113331 is a deficient number, since it is larger than the sum of its proper divisors (116641613).

1003113331 is a wasteful number, since it uses less digits than its factorization.

1003113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120801.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1003113331 is about 31671.9644322862. The cubic root of 1003113331 is about 1001.0367018778.

Adding to 1003113331 its reverse (1333113001), we get a palindrome (2336226332).

The spelling of 1003113331 in words is "one billion, three million, one hundred thirteen thousand, three hundred thirty-one".