312411403303400 has 96 divisors (see below), whose sum is σ = 730175733619200. Its totient is φ = 124307520307200.

The previous prime is 312411403303339. The next prime is 312411403303409. The reversal of 312411403303400 is 4303304114213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (312411403303409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3002200571 + ... + 3002304629.

It is an arithmetic number, because the mean of its divisors is an integer number (7605997225200).

Almost surely, 2^{312411403303400} 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 312411403303400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365087866809600).

312411403303400 is an abundant number, since it is smaller than the sum of its proper divisors (417764330315800).

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

312411403303400 is a wasteful number, since it uses less digits than its factorization.

312411403303400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182859 (or 182850 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 312411403303400 its reverse (4303304114213), we get a palindrome (316714707417613).

The spelling of 312411403303400 in words is "three hundred twelve trillion, four hundred eleven billion, four hundred three million, three hundred three thousand, four hundred".