1131000103 has 4 divisors (see below), whose sum is σ = 1145316640. Its totient is φ = 1116683568.

The previous prime is 1131000083. The next prime is 1131000107. The reversal of 1131000103 is 3010001311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131000103 is a prime.

It is a super-2 number, since 2×1131000103² = 2558322465972021218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131000103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131000107) 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, 7158150 + ... + 7158307.

It is an arithmetic number, because the mean of its divisors is an integer number (286329160).

Almost surely, 2^1131000103 is an apocalyptic number.

1131000103 is a deficient number, since it is larger than the sum of its proper divisors (14316537).

1131000103 is an equidigital number, since it uses as much as digits as its factorization.

1131000103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14316536.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 1131000103 is about 33630.3449729556. The cubic root of 1131000103 is about 1041.8876292113.

Adding to 1131000103 its reverse (3010001311), we get a palindrome (4141001414).

The spelling of 1131000103 in words is "one billion, one hundred thirty-one million, one hundred three", and thus it is an aban number.