1021030312231 has 8 divisors (see below), whose sum is σ = 1027295103744. Its totient is φ = 1014775094880.

The previous prime is 1021030312213. The next prime is 1021030312243. The reversal of 1021030312231 is 1322130301201.

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 1021030312231 - 2⁵ = 1021030312199 is a prime.

It is a super-2 number, since 2×1021030312231² (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 = 1021030312199 and 1021030312208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021030382231) 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, 2179540 + ... + 2606233.

It is an arithmetic number, because the mean of its divisors is an integer number (128411887968).

Almost surely, 2^{1021030312231} is an apocalyptic number.

1021030312231 is a deficient number, since it is larger than the sum of its proper divisors (6264791513).

1021030312231 is a wasteful number, since it uses less digits than its factorization.

1021030312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787081.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1021030312231 its reverse (1322130301201), we get a palindrome (2343160613432).

The spelling of 1021030312231 in words is "one trillion, twenty-one billion, thirty million, three hundred twelve thousand, two hundred thirty-one".