1021324144331 has 12 divisors (see below), whose sum is σ = 1085481014232. Its totient is φ = 960763400448.

The previous prime is 1021324144307. The next prime is 1021324144343. The reversal of 1021324144331 is 1334414231201.

It is a de Polignac number, because none of the positive numbers 2^k-1021324144331 is a prime.

It is a super-2 number, since 2×1021324144331² (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 = 1021324144294 and 1021324144303.

It is not an unprimeable number, because it can be changed into a prime (1021324144301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310625 + ... + 1462578.

It is an arithmetic number, because the mean of its divisors is an integer number (90456751186).

Almost surely, 2^{1021324144331} is an apocalyptic number.

1021324144331 is a deficient number, since it is larger than the sum of its proper divisors (64156869901).

1021324144331 is a wasteful number, since it uses less digits than its factorization.

1021324144331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775230 (or 1775213 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1021324144331 its reverse (1334414231201), we get a palindrome (2355738375532).

The spelling of 1021324144331 in words is "one trillion, twenty-one billion, three hundred twenty-four million, one hundred forty-four thousand, three hundred thirty-one".