2103031313 has 8 divisors (see below), whose sum is σ = 2114311680. Its totient is φ = 2091781440.

The previous prime is 2103031297. The next prime is 2103031363. The reversal of 2103031313 is 3131303012.

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 2103031313 - 2⁴ = 2103031297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103031291 and 2103031300.

It is not an unprimeable number, because it can be changed into a prime (2103031363) 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 7 ways as a sum of consecutive naturals, for example, 138008 + ... + 152486.

It is an arithmetic number, because the mean of its divisors is an integer number (264288960).

Almost surely, 2^2103031313 is an apocalyptic number.

It is an amenable number.

2103031313 is a deficient number, since it is larger than the sum of its proper divisors (11280367).

2103031313 is a wasteful number, since it uses less digits than its factorization.

2103031313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15247.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 2103031313 is about 45858.8193589848. The cubic root of 2103031313 is about 1281.1950332382.

Adding to 2103031313 its reverse (3131303012), we get a palindrome (5234334325).

The spelling of 2103031313 in words is "two billion, one hundred three million, thirty-one thousand, three hundred thirteen".