210304103131 has 4 divisors (see below), whose sum is σ = 210306712000. Its totient is φ = 210301494264.

The previous prime is 210304103117. The next prime is 210304103159. The reversal of 210304103131 is 131301403012.

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

It is a cyclic number.

It is not a de Polignac number, because 210304103131 - 2¹¹ = 210304101083 is a prime.

It is a super-2 number, since 2×210304103131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210304103099 and 210304103108.

It is not an unprimeable number, because it can be changed into a prime (210304103161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179531 + ... + 1346068.

It is an arithmetic number, because the mean of its divisors is an integer number (52576678000).

Almost surely, 2^210304103131 is an apocalyptic number.

210304103131 is a deficient number, since it is larger than the sum of its proper divisors (2608869).

210304103131 is an equidigital number, since it uses as much as digits as its factorization.

210304103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608868.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 210304103131 its reverse (131301403012), we get a palindrome (341605506143).

The spelling of 210304103131 in words is "two hundred ten billion, three hundred four million, one hundred three thousand, one hundred thirty-one".