312450105234320 has 160 divisors (see below), whose sum is σ = 795569420298240. Its totient is φ = 113607496949760.

The previous prime is 312450105234299. The next prime is 312450105234367. The reversal of 312450105234320 is 23432501054213.

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, 13839626 + ... + 28573334.

It is an arithmetic number, because the mean of its divisors is an integer number (4972308876864).

Almost surely, 2^{312450105234320} 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 312450105234320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397784710149120).

312450105234320 is an abundant number, since it is smaller than the sum of its proper divisors (483119315063920).

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

312450105234320 is a wasteful number, since it uses less digits than its factorization.

312450105234320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14734273 (or 14734267 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 312450105234320 its reverse (23432501054213), we get a palindrome (335882606288533).

The spelling of 312450105234320 in words is "three hundred twelve trillion, four hundred fifty billion, one hundred five million, two hundred thirty-four thousand, three hundred twenty".