312111350430 has 64 divisors (see below), whose sum is σ = 817241799168. Its totient is φ = 75656178560.

The previous prime is 312111350413. The next prime is 312111350459. The reversal of 312111350430 is 34053111213.

It is a super-2 number, since 2×312111350430² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312111350430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3986239 + ... + 4063781.

It is an arithmetic number, because the mean of its divisors is an integer number (12769403112).

Almost surely, 2^312111350430 is an apocalyptic number.

312111350430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312111350430 is an abundant number, since it is smaller than the sum of its proper divisors (505130448738).

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

312111350430 is a wasteful number, since it uses less digits than its factorization.

312111350430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89761.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 312111350430 its reverse (34053111213), we get a palindrome (346164461643).

The spelling of 312111350430 in words is "three hundred twelve billion, one hundred eleven million, three hundred fifty thousand, four hundred thirty".