312231100231 has 8 divisors (see below), whose sum is σ = 313054608464. Its totient is φ = 311407778880.

The previous prime is 312231100213. The next prime is 312231100277. The reversal of 312231100231 is 132001132213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312231100231 - 2¹¹ = 312231098183 is a prime.

It is a super-2 number, since 2×312231100231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312231100199 and 312231100208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312231103231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3691171 + ... + 3774811.

It is an arithmetic number, because the mean of its divisors is an integer number (39131826058).

Almost surely, 2^312231100231 is an apocalyptic number.

312231100231 is a deficient number, since it is larger than the sum of its proper divisors (823508233).

312231100231 is an equidigital number, since it uses as much as digits as its factorization.

312231100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93441.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312231100231 its reverse (132001132213), we get a palindrome (444232232444).

The spelling of 312231100231 in words is "three hundred twelve billion, two hundred thirty-one million, one hundred thousand, two hundred thirty-one".