312021321103334 has 4 divisors (see below), whose sum is σ = 468031981655004. Its totient is φ = 156010660551666.

The previous prime is 312021321103333. The next prime is 312021321103399. The reversal of 312021321103334 is 433301123120213.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 312021321103297 and 312021321103306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312021321103333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78005330275832 + ... + 78005330275835.

It is an arithmetic number, because the mean of its divisors is an integer number (117007995413751).

Almost surely, 2^{312021321103334} is an apocalyptic number.

312021321103334 is a deficient number, since it is larger than the sum of its proper divisors (156010660551670).

312021321103334 is a wasteful number, since it uses less digits than its factorization.

312021321103334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156010660551669.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 312021321103334 its reverse (433301123120213), we get a palindrome (745322444223547).

The spelling of 312021321103334 in words is "three hundred twelve trillion, twenty-one billion, three hundred twenty-one million, one hundred three thousand, three hundred thirty-four".