312421021033 has 8 divisors (see below), whose sum is σ = 343310692320. Its totient is φ = 281945976480.

The previous prime is 312421020979. The next prime is 312421021069. The reversal of 312421021033 is 330120124213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312421021033 - 2⁹ = 312421020521 is a prime.

It is a super-3 number, since 3×312421021033³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312421020995 and 312421021013.

It is not an unprimeable number, because it can be changed into a prime (312421027033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103655103 + ... + 103658116.

It is an arithmetic number, because the mean of its divisors is an integer number (42913836540).

Almost surely, 2^312421021033 is an apocalyptic number.

It is an amenable number.

312421021033 is a deficient number, since it is larger than the sum of its proper divisors (30889671287).

312421021033 is a wasteful number, since it uses less digits than its factorization.

312421021033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207313367.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312421021033 its reverse (330120124213), we get a palindrome (642541145246).

The spelling of 312421021033 in words is "three hundred twelve billion, four hundred twenty-one million, twenty-one thousand, thirty-three".