1020331234231 has 8 divisors (see below), whose sum is σ = 1020687871104. Its totient is φ = 1019974670520.

The previous prime is 1020331234217. The next prime is 1020331234243. The reversal of 1020331234231 is 1324321330201.

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 1020331234231 - 2¹⁹ = 1020330709943 is a prime.

It is a super-2 number, since 2×1020331234231² (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 = 1020331234196 and 1020331234205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020331234031) 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, 44329516 + ... + 44352526.

It is an arithmetic number, because the mean of its divisors is an integer number (127585983888).

Almost surely, 2^{1020331234231} is an apocalyptic number.

1020331234231 is a deficient number, since it is larger than the sum of its proper divisors (356636873).

1020331234231 is an equidigital number, since it uses as much as digits as its factorization.

1020331234231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36581.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1020331234231 its reverse (1324321330201), we get a palindrome (2344652564432).

The spelling of 1020331234231 in words is "one trillion, twenty billion, three hundred thirty-one million, two hundred thirty-four thousand, two hundred thirty-one".