1331103000 has 64 divisors (see below), whose sum is σ = 4153050720. Its totient is φ = 354960000.

The previous prime is 1331102999. The next prime is 1331103019. The reversal of 1331103000 is 3011331.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218851 + ... + 224850.

Almost surely, 2^1331103000 is an apocalyptic number.

1331103000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331103000 is an abundant number, since it is smaller than the sum of its proper divisors (2821947720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331103000 is a wasteful number, since it uses less digits than its factorization.

1331103000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443725 (or 443711 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 1331103000 is about 36484.2842878958. The cubic root of 1331103000 is about 1100.0283739238.

Adding to 1331103000 its reverse (3011331), we get a palindrome (1334114331).

The spelling of 1331103000 in words is "one billion, three hundred thirty-one million, one hundred three thousand".