312203424344340 has 96 divisors (see below), whose sum is σ = 876602495139840. Its totient is φ = 83022615720576.

The previous prime is 312203424344321. The next prime is 312203424344389. The reversal of 312203424344340 is 43443424302213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133016847 + ... + 135343593.

It is an arithmetic number, because the mean of its divisors is an integer number (9131275991040).

Almost surely, 2^{312203424344340} is an apocalyptic number.

312203424344340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312203424344340 is an abundant number, since it is smaller than the sum of its proper divisors (564399070795500).

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

312203424344340 is a wasteful number, since it uses less digits than its factorization.

312203424344340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332981 (or 2332979 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 312203424344340 its reverse (43443424302213), we get a palindrome (355646848646553).

The spelling of 312203424344340 in words is "three hundred twelve trillion, two hundred three billion, four hundred twenty-four million, three hundred forty-four thousand, three hundred forty".