1021312320033 has 8 divisors (see below), whose sum is σ = 1365079223200. Its totient is φ = 679210148448.

The previous prime is 1021312320031. The next prime is 1021312320053. The reversal of 1021312320033 is 3300232131201.

1021312320033 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1021312320033 - 2¹ = 1021312320031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021312319991 and 1021312320009.

It is not an unprimeable number, because it can be changed into a prime (1021312320031) 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, 416181463 + ... + 416183916.

It is an arithmetic number, because the mean of its divisors is an integer number (170634902900).

Almost surely, 2^{1021312320033} is an apocalyptic number.

It is an amenable number.

1021312320033 is a deficient number, since it is larger than the sum of its proper divisors (343766903167).

1021312320033 is an equidigital number, since it uses as much as digits as its factorization.

1021312320033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832365791.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1021312320033 its reverse (3300232131201), we get a palindrome (4321544451234).

The spelling of 1021312320033 in words is "one trillion, twenty-one billion, three hundred twelve million, three hundred twenty thousand, thirty-three".