312434213140 has 48 divisors (see below), whose sum is σ = 752284697472. Its totient is φ = 106771360896.

The previous prime is 312434213081. The next prime is 312434213191. The reversal of 312434213140 is 41312434213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 312434213099 and 312434213108.

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 15 ways as a sum of consecutive naturals, for example, 3591667 + ... + 3677626.

It is an arithmetic number, because the mean of its divisors is an integer number (15672597864).

Almost surely, 2^312434213140 is an apocalyptic number.

It is an amenable number.

312434213140 is an abundant number, since it is smaller than the sum of its proper divisors (439850484332).

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

312434213140 is a wasteful number, since it uses less digits than its factorization.

312434213140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7269616 (or 7269614 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 312434213140 its reverse (41312434213), we get a palindrome (353746647353).

The spelling of 312434213140 in words is "three hundred twelve billion, four hundred thirty-four million, two hundred thirteen thousand, one hundred forty".