312030231 has 8 divisors (see below), whose sum is σ = 425715840. Its totient is φ = 203182392.

The previous prime is 312030211. The next prime is 312030263. The reversal of 312030231 is 132030213.

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

It is not a de Polignac number, because 312030231 - 2¹⁴ = 312013847 is a prime.

It is a super-2 number, since 2×312030231² = 194725730115826722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312030231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312030211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209291 + ... + 1209548.

It is an arithmetic number, because the mean of its divisors is an integer number (53214480).

Almost surely, 2^312030231 is an apocalyptic number.

312030231 is a deficient number, since it is larger than the sum of its proper divisors (113685609).

312030231 is a wasteful number, since it uses less digits than its factorization.

312030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418885.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 312030231 is about 17664.3774586029. The cubic root of 312030231 is about 678.2641938170.

Adding to 312030231 its reverse (132030213), we get a palindrome (444060444).

The spelling of 312030231 in words is "three hundred twelve million, thirty thousand, two hundred thirty-one".