210103230331 has 2 divisors, whose sum is σ = 210103230332. Its totient is φ = 210103230330.

The previous prime is 210103230313. The next prime is 210103230341. The reversal of 210103230331 is 133032301012.

Together with previous prime (210103230313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210103230331 is a prime.

It is a super-2 number, since 2×210103230331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210103230299 and 210103230308.

It is not a weakly prime, because it can be changed into another prime (210103230341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105051615165 + 105051615166.

It is an arithmetic number, because the mean of its divisors is an integer number (105051615166).

Almost surely, 2^210103230331 is an apocalyptic number.

210103230331 is a deficient number, since it is larger than the sum of its proper divisors (1).

210103230331 is an equidigital number, since it uses as much as digits as its factorization.

210103230331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 210103230331 its reverse (133032301012), we get a palindrome (343135531343).

The spelling of 210103230331 in words is "two hundred ten billion, one hundred three million, two hundred thirty thousand, three hundred thirty-one".