312031303230 has 64 divisors (see below), whose sum is σ = 791220441600. Its totient is φ = 78535877760.

The previous prime is 312031303183. The next prime is 312031303273. The reversal of 312031303230 is 32303130213.

It is a junction number, because it is equal to n+sod(n) for n = 312031303197 and 312031303206.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 864186 + ... + 1170845.

It is an arithmetic number, because the mean of its divisors is an integer number (12362819400).

Almost surely, 2^312031303230 is an apocalyptic number.

312031303230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312031303230 is an abundant number, since it is smaller than the sum of its proper divisors (479189138370).

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

312031303230 is a wasteful number, since it uses less digits than its factorization.

312031303230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035329.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 312031303230 its reverse (32303130213), we get a palindrome (344334433443).

The spelling of 312031303230 in words is "three hundred twelve billion, thirty-one million, three hundred three thousand, two hundred thirty".