1012321333231 has 4 divisors (see below), whose sum is σ = 1090192205032. Its totient is φ = 934450461432.

The previous prime is 1012321333183. The next prime is 1012321333259. The reversal of 1012321333231 is 1323331232101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012321333231 - 2⁹ = 1012321332719 is a prime.

It is a super-2 number, since 2×1012321333231² (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 = 1012321333196 and 1012321333205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012321333271) 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, 38935435881 + ... + 38935435906.

It is an arithmetic number, because the mean of its divisors is an integer number (272548051258).

Almost surely, 2^{1012321333231} is an apocalyptic number.

1012321333231 is a deficient number, since it is larger than the sum of its proper divisors (77870871801).

1012321333231 is an equidigital number, since it uses as much as digits as its factorization.

1012321333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77870871800.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1012321333231 its reverse (1323331232101), we get a palindrome (2335652565332).

The spelling of 1012321333231 in words is "one trillion, twelve billion, three hundred twenty-one million, three hundred thirty-three thousand, two hundred thirty-one".