312211310404 has 18 divisors (see below), whose sum is σ = 635573025150. Its totient is φ = 133804847232.

The previous prime is 312211310371. The next prime is 312211310429. The reversal of 312211310404 is 404013112213.

It can be written as a sum of positive squares in only one way, i.e., 292138088004 + 20073222400 = 540498^2 + 141680^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 796457229 + ... + 796457620.

Almost surely, 2^312211310404 is an apocalyptic number.

It is an amenable number.

312211310404 is an abundant number, since it is smaller than the sum of its proper divisors (323361714746).

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

312211310404 is a wasteful number, since it uses less digits than its factorization.

312211310404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592914867 (or 1592914858 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 312211310404 its reverse (404013112213), we get a palindrome (716224422617).

The spelling of 312211310404 in words is "three hundred twelve billion, two hundred eleven million, three hundred ten thousand, four hundred four".