1011315103 has 4 divisors (see below), whose sum is σ = 1024116640. Its totient is φ = 998513568.

The previous prime is 1011315073. The next prime is 1011315133. The reversal of 1011315103 is 3015131101.

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

It is an interprime number because it is at equal distance from previous prime (1011315073) and next prime (1011315133).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011315103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011315133) 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, 6400650 + ... + 6400807.

It is an arithmetic number, because the mean of its divisors is an integer number (256029160).

Almost surely, 2^1011315103 is an apocalyptic number.

1011315103 is a deficient number, since it is larger than the sum of its proper divisors (12801537).

1011315103 is an equidigital number, since it uses as much as digits as its factorization.

1011315103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12801536.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 1011315103 is about 31801.1808428555. The cubic root of 1011315103 is about 1003.7575640279.

Adding to 1011315103 its reverse (3015131101), we get a palindrome (4026446204).

The spelling of 1011315103 in words is "one billion, eleven million, three hundred fifteen thousand, one hundred three".