1031003311223 has 4 divisors (see below), whose sum is σ = 1031007640560. Its totient is φ = 1030998981888.

The previous prime is 1031003311181. The next prime is 1031003311231. The reversal of 1031003311223 is 3221133001301.

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 1031003311223 - 2¹⁶ = 1031003245687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031003311195 and 1031003311204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031003311123) 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, 1785290 + ... + 2291127.

It is an arithmetic number, because the mean of its divisors is an integer number (257751910140).

Almost surely, 2^{1031003311223} is an apocalyptic number.

1031003311223 is a deficient number, since it is larger than the sum of its proper divisors (4329337).

1031003311223 is an equidigital number, since it uses as much as digits as its factorization.

1031003311223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329336.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1031003311223 its reverse (3221133001301), we get a palindrome (4252136312524).

The spelling of 1031003311223 in words is "one trillion, thirty-one billion, three million, three hundred eleven thousand, two hundred twenty-three".