10521670231 has 2 divisors, whose sum is σ = 10521670232. Its totient is φ = 10521670230.

The previous prime is 10521670199. The next prime is 10521670249. The reversal of 10521670231 is 13207612501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10521670231 - 2⁵ = 10521670199 is a prime.

It is a super-2 number, since 2×10521670231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10521670231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10521670331) 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, 5260835115 + 5260835116.

It is an arithmetic number, because the mean of its divisors is an integer number (5260835116).

Almost surely, 2^10521670231 is an apocalyptic number.

10521670231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10521670231 is an equidigital number, since it uses as much as digits as its factorization.

10521670231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 10521670231 in words is "ten billion, five hundred twenty-one million, six hundred seventy thousand, two hundred thirty-one".