312332224343442 has 16 divisors (see below), whose sum is σ = 646204602090240. Its totient is φ = 100520715880592.

The previous prime is 312332224343401. The next prime is 312332224343449. The reversal of 312332224343442 is 244343422233213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 312332224343394 and 312332224343403.

It is not an unprimeable number, because it can be changed into a prime (312332224343449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897506391618 + ... + 897506391965.

It is an arithmetic number, because the mean of its divisors is an integer number (40387787630640).

Almost surely, 2^{312332224343442} is an apocalyptic number.

312332224343442 is an abundant number, since it is smaller than the sum of its proper divisors (333872377746798).

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

312332224343442 is a wasteful number, since it uses less digits than its factorization.

312332224343442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795012783617.

The product of its digits is 1990656, while the sum is 42.

Adding to 312332224343442 its reverse (244343422233213), we get a palindrome (556675646576655).

The spelling of 312332224343442 in words is "three hundred twelve trillion, three hundred thirty-two billion, two hundred twenty-four million, three hundred forty-three thousand, four hundred forty-two".