312342321340442 has 16 divisors (see below), whose sum is σ = 487534723109280. Its totient is φ = 149953861799952.

The previous prime is 312342321340373. The next prime is 312342321340451. The reversal of 312342321340442 is 244043123243213.

It is a super-3 number, since 3×312342321340442³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312342321340396 and 312342321340405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30778702193 + ... + 30778712340.

It is an arithmetic number, because the mean of its divisors is an integer number (30470920194330).

Almost surely, 2^{312342321340442} is an apocalyptic number.

312342321340442 is a deficient number, since it is larger than the sum of its proper divisors (175192401768838).

312342321340442 is a wasteful number, since it uses less digits than its factorization.

312342321340442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61557414637.

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 312342321340442 its reverse (244043123243213), we get a palindrome (556385444583655).

The spelling of 312342321340442 in words is "three hundred twelve trillion, three hundred forty-two billion, three hundred twenty-one million, three hundred forty thousand, four hundred forty-two".