321230100231 has 12 divisors (see below), whose sum is σ = 484172905008. Its totient is φ = 204842382624.

The previous prime is 321230100223. The next prime is 321230100251. The reversal of 321230100231 is 132001032123.

321230100231 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 321230100231 - 2³ = 321230100223 is a prime.

It is a super-2 number, since 2×321230100231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321230100251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 775917910 + ... + 775918323.

It is an arithmetic number, because the mean of its divisors is an integer number (40347742084).

Almost surely, 2^321230100231 is an apocalyptic number.

321230100231 is a deficient number, since it is larger than the sum of its proper divisors (162942804777).

321230100231 is a wasteful number, since it uses less digits than its factorization.

321230100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551836262 (or 1551836259 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 321230100231 its reverse (132001032123), we get a palindrome (453231132354).

The spelling of 321230100231 in words is "three hundred twenty-one billion, two hundred thirty million, one hundred thousand, two hundred thirty-one".