310131400312 has 16 divisors (see below), whose sum is σ = 588857090400. Its totient is φ = 153102842880.

The previous prime is 310131400297. The next prime is 310131400363. The reversal of 310131400312 is 213004131013.

It is a self number, because there is not a number n which added to its sum of digits gives 310131400312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245356489 + ... + 245357752.

It is an arithmetic number, because the mean of its divisors is an integer number (36803568150).

Almost surely, 2^310131400312 is an apocalyptic number.

It is an amenable number.

310131400312 is a deficient number, since it is larger than the sum of its proper divisors (278725690088).

310131400312 is a wasteful number, since it uses less digits than its factorization.

310131400312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490714326 (or 490714322 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 310131400312 its reverse (213004131013), we get a palindrome (523135531325).

The spelling of 310131400312 in words is "three hundred ten billion, one hundred thirty-one million, four hundred thousand, three hundred twelve".