1013100003 has 6 divisors (see below), whose sum is σ = 1463366684. Its totient is φ = 675399996.

The previous prime is 1013099987. The next prime is 1013100013. The reversal of 1013100003 is 3000013101.

It is not a de Polignac number, because 1013100003 - 2⁴ = 1013099987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 112566667 = 1013100003 / (1 + 0 + 1 + 3 + 1 + 0 + 0 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013100013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56283325 + ... + 56283342.

Almost surely, 2^1013100003 is an apocalyptic number.

1013100003 is a deficient number, since it is larger than the sum of its proper divisors (450266681).

1013100003 is a wasteful number, since it uses less digits than its factorization.

1013100003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112566673 (or 112566670 counting only the distinct ones).

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

The square root of 1013100003 is about 31829.2318945965. The cubic root of 1013100003 is about 1004.3477374509.

Adding to 1013100003 its reverse (3000013101), we get a palindrome (4013113104).

The spelling of 1013100003 in words is "one billion, thirteen million, one hundred thousand, three".