310140012 has 108 divisors (see below), whose sum is σ = 911836296. Its totient is φ = 81768960.

The previous prime is 310140001. The next prime is 310140067. The reversal of 310140012 is 210041013.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 310140012.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 97812 + ... + 100932.

Almost surely, 2^310140012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 310140012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455918148).

310140012 is an abundant number, since it is smaller than the sum of its proper divisors (601696284).

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

310140012 is a wasteful number, since it uses less digits than its factorization.

310140012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168 (or 3146 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 310140012 is about 17610.7924864272. The cubic root of 310140012 is about 676.8918209649.

Adding to 310140012 its reverse (210041013), we get a palindrome (520181025).

The spelling of 310140012 in words is "three hundred ten million, one hundred forty thousand, twelve".