1310021103 has 8 divisors (see below), whose sum is σ = 1747382400. Its totient is φ = 873003608.

The previous prime is 1310021099. The next prime is 1310021107. The reversal of 1310021103 is 3011200131.

It is an interprime number because it is at equal distance from previous prime (1310021099) and next prime (1310021107).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1310021103 - 2² = 1310021099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310021107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76923 + ... + 92396.

It is an arithmetic number, because the mean of its divisors is an integer number (218422800).

Almost surely, 2^1310021103 is an apocalyptic number.

1310021103 is a deficient number, since it is larger than the sum of its proper divisors (437361297).

1310021103 is a wasteful number, since it uses less digits than its factorization.

1310021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171901.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1310021103 is about 36194.2136673806. The cubic root of 1310021103 is about 1094.1900567948.

Adding to 1310021103 its reverse (3011200131), we get a palindrome (4321221234).

The spelling of 1310021103 in words is "one billion, three hundred ten million, twenty-one thousand, one hundred three".