312352444403 has 24 divisors (see below), whose sum is σ = 347571781200. Its totient is φ = 279865960704.

The previous prime is 312352444399. The next prime is 312352444427. The reversal of 312352444403 is 304444253213.

It is not a de Polignac number, because 312352444403 - 2² = 312352444399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312352447403) 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, 719951 + ... + 1069127.

It is an arithmetic number, because the mean of its divisors is an integer number (14482157550).

Almost surely, 2^312352444403 is an apocalyptic number.

312352444403 is a deficient number, since it is larger than the sum of its proper divisors (35219336797).

312352444403 is a wasteful number, since it uses less digits than its factorization.

312352444403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349331 (or 349308 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 312352444403 its reverse (304444253213), we get a palindrome (616796697616).

The spelling of 312352444403 in words is "three hundred twelve billion, three hundred fifty-two million, four hundred forty-four thousand, four hundred three".