312130031214 has 32 divisors (see below), whose sum is σ = 629603694720. Its totient is φ = 103154199200.

The previous prime is 312130031209. The next prime is 312130031219. The reversal of 312130031214 is 412130031213.

It is an interprime number because it is at equal distance from previous prime (312130031209) and next prime (312130031219).

It is a super-2 number, since 2×312130031214² (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 (312130031219) 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 in 15 ways as a sum of consecutive naturals, for example, 675532 + ... + 1039520.

It is an arithmetic number, because the mean of its divisors is an integer number (19675115460).

Almost surely, 2^312130031214 is an apocalyptic number.

312130031214 is an abundant number, since it is smaller than the sum of its proper divisors (317473663506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312130031214 is a wasteful number, since it uses less digits than its factorization.

312130031214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365216.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312130031214 its reverse (412130031213), we get a palindrome (724260062427).

Subtracting 312130031214 from its reverse (412130031213), we obtain a palindrome (99999999999).

The spelling of 312130031214 in words is "three hundred twelve billion, one hundred thirty million, thirty-one thousand, two hundred fourteen".