1131013003 has 16 divisors (see below), whose sum is σ = 1196387136. Its totient is φ = 1067765760.

The previous prime is 1131013001. The next prime is 1131013061. The reversal of 1131013003 is 3003101311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1131013003 - 2¹ = 1131013001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131013001) 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, 290850 + ... + 294712.

It is an arithmetic number, because the mean of its divisors is an integer number (74774196).

Almost surely, 2^1131013003 is an apocalyptic number.

1131013003 is a deficient number, since it is larger than the sum of its proper divisors (65374133).

1131013003 is a wasteful number, since it uses less digits than its factorization.

1131013003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134.

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

The square root of 1131013003 is about 33630.5367634833. The cubic root of 1131013003 is about 1041.8915903955.

Adding to 1131013003 its reverse (3003101311), we get a palindrome (4134114314).

The spelling of 1131013003 in words is "one billion, one hundred thirty-one million, thirteen thousand, three".