10212320231 has 2 divisors, whose sum is σ = 10212320232. Its totient is φ = 10212320230.

The previous prime is 10212320227. The next prime is 10212320263. The reversal of 10212320231 is 13202321201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10212320231 - 2² = 10212320227 is a prime.

It is a super-2 number, since 2×10212320231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212320201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106160115 + 5106160116.

It is an arithmetic number, because the mean of its divisors is an integer number (5106160116).

Almost surely, 2^10212320231 is an apocalyptic number.

10212320231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212320231 is an equidigital number, since it uses as much as digits as its factorization.

10212320231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10212320231 its reverse (13202321201), we get a palindrome (23414641432).

The spelling of 10212320231 in words is "ten billion, two hundred twelve million, three hundred twenty thousand, two hundred thirty-one".