210103013 has 4 divisors (see below), whose sum is σ = 210301728. Its totient is φ = 209904300.

The previous prime is 210102973. The next prime is 210103037. The reversal of 210103013 is 310301012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210103013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210102985 and 210103003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210103043) 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, 97763 + ... + 99888.

It is an arithmetic number, because the mean of its divisors is an integer number (52575432).

Almost surely, 2^210103013 is an apocalyptic number.

It is an amenable number.

210103013 is a deficient number, since it is larger than the sum of its proper divisors (198715).

210103013 is a wasteful number, since it uses less digits than its factorization.

210103013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198714.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 210103013 is about 14494.9305965913. The cubic root of 210103013 is about 594.4893700605.

Adding to 210103013 its reverse (310301012), we get a palindrome (520404025).

The spelling of 210103013 in words is "two hundred ten million, one hundred three thousand, thirteen".