1031230020223 has 4 divisors (see below), whose sum is σ = 1110555406408. Its totient is φ = 951904634040.

The previous prime is 1031230020193. The next prime is 1031230020241. The reversal of 1031230020223 is 3220200321301.

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 1031230020223 - 2³³ = 1022640085631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031230020223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031230020263) 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, 39662693073 + ... + 39662693098.

It is an arithmetic number, because the mean of its divisors is an integer number (277638851602).

Almost surely, 2^{1031230020223} is an apocalyptic number.

1031230020223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1031230020223 is a deficient number, since it is larger than the sum of its proper divisors (79325386185).

1031230020223 is an equidigital number, since it uses as much as digits as its factorization.

1031230020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79325386184.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1031230020223 its reverse (3220200321301), we get a palindrome (4251430341524).

The spelling of 1031230020223 in words is "one trillion, thirty-one billion, two hundred thirty million, twenty thousand, two hundred twenty-three".