10500120331 has 2 divisors, whose sum is σ = 10500120332. Its totient is φ = 10500120330.

The previous prime is 10500120317. The next prime is 10500120343. The reversal of 10500120331 is 13302100501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10500120331 is a prime.

It is a super-2 number, since 2×10500120331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10500120731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250060165 + 5250060166.

It is an arithmetic number, because the mean of its divisors is an integer number (5250060166).

Almost surely, 2^10500120331 is an apocalyptic number.

10500120331 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500120331 is an equidigital number, since it uses as much as digits as its factorization.

10500120331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 10500120331 its reverse (13302100501), we get a palindrome (23802220832).

The spelling of 10500120331 in words is "ten billion, five hundred million, one hundred twenty thousand, three hundred thirty-one".