312203411400 has 48 divisors (see below), whose sum is σ = 967830577200. Its totient is φ = 83254242880.

The previous prime is 312203411383. The next prime is 312203411417. The reversal of 312203411400 is 4114302213.

It is an interprime number because it is at equal distance from previous prime (312203411383) and next prime (312203411417).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260168910 + ... + 260170109.

It is an arithmetic number, because the mean of its divisors is an integer number (20163137025).

Almost surely, 2^312203411400 is an apocalyptic number.

312203411400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312203411400 is an abundant number, since it is smaller than the sum of its proper divisors (655627165800).

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

312203411400 is a wasteful number, since it uses less digits than its factorization.

312203411400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520339038 (or 520339029 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 312203411400 its reverse (4114302213), we get a palindrome (316317713613).

The spelling of 312203411400 in words is "three hundred twelve billion, two hundred three million, four hundred eleven thousand, four hundred".