1081011303 has 12 divisors (see below), whose sum is σ = 1561753128. Its totient is φ = 720539280.

The previous prime is 1081011287. The next prime is 1081011311. The reversal of 1081011303 is 3031101801.

It is a happy number.

1081011303 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1081011303 - 2⁴ = 1081011287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081011313) 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, 71701 + ... + 85457.

It is an arithmetic number, because the mean of its divisors is an integer number (130146094).

Almost surely, 2^1081011303 is an apocalyptic number.

1081011303 is a deficient number, since it is larger than the sum of its proper divisors (480741825).

1081011303 is a wasteful number, since it uses less digits than its factorization.

1081011303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22494 (or 22491 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1081011303 is about 32878.7363352061. The cubic root of 1081011303 is about 1026.3057095462.

The spelling of 1081011303 in words is "one billion, eighty-one million, eleven thousand, three hundred three".