1021110031323 has 20 divisors (see below), whose sum is σ = 1525721912968. Its totient is φ = 680579353440.

The previous prime is 1021110031301. The next prime is 1021110031369. The reversal of 1021110031323 is 3231300111201.

1021110031323 is a `hidden beast` number, since 1 + 0 + 211 + 100 + 31 + 323 = 666.

It is not a de Polignac number, because 1021110031323 - 2¹⁰ = 1021110030299 is a prime.

It is a super-2 number, since 2×1021110031323² (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 = 1021110031296 and 1021110031305.

It is not an unprimeable number, because it can be changed into a prime (1021110031393) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1141858 + ... + 1829223.

Almost surely, 2^{1021110031323} is an apocalyptic number.

1021110031323 is a deficient number, since it is larger than the sum of its proper divisors (504611881645).

1021110031323 is an equidigital number, since it uses as much as digits as its factorization.

1021110031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975336 (or 2975327 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1021110031323 its reverse (3231300111201), we get a palindrome (4252410142524).

The spelling of 1021110031323 in words is "one trillion, twenty-one billion, one hundred ten million, thirty-one thousand, three hundred twenty-three".