210113303131 has 2 divisors, whose sum is σ = 210113303132. Its totient is φ = 210113303130.

The previous prime is 210113303051. The next prime is 210113303149. The reversal of 210113303131 is 131303311012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210113303131 is a prime.

It is a super-2 number, since 2×210113303131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210113303099 and 210113303108.

It is not a weakly prime, because it can be changed into another prime (210113373131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105056651565 + 105056651566.

It is an arithmetic number, because the mean of its divisors is an integer number (105056651566).

Almost surely, 2^210113303131 is an apocalyptic number.

210113303131 is a deficient number, since it is larger than the sum of its proper divisors (1).

210113303131 is an equidigital number, since it uses as much as digits as its factorization.

210113303131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 210113303131 its reverse (131303311012), we get a palindrome (341416614143).

The spelling of 210113303131 in words is "two hundred ten billion, one hundred thirteen million, three hundred three thousand, one hundred thirty-one".