1020312320033 has 4 divisors (see below), whose sum is σ = 1026012389040. Its totient is φ = 1014612251028.

The previous prime is 1020312320023. The next prime is 1020312320059. The reversal of 1020312320033 is 3300232130201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1020312320033 - 2⁶ = 1020312319969 is a prime.

It is a super-2 number, since 2×1020312320033² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020312319987 and 1020312320014.

It is not an unprimeable number, because it can be changed into a prime (1020312320023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2850034235 + ... + 2850034592.

It is an arithmetic number, because the mean of its divisors is an integer number (256503097260).

Almost surely, 2^{1020312320033} is an apocalyptic number.

It is an amenable number.

1020312320033 is a deficient number, since it is larger than the sum of its proper divisors (5700069007).

1020312320033 is an equidigital number, since it uses as much as digits as its factorization.

1020312320033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700069006.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1020312320033 its reverse (3300232130201), we get a palindrome (4320544450234).

The spelling of 1020312320033 in words is "one trillion, twenty billion, three hundred twelve million, three hundred twenty thousand, thirty-three".