1031403223 has 4 divisors (see below), whose sum is σ = 1044459040. Its totient is φ = 1018347408.

The previous prime is 1031403193. The next prime is 1031403227. The reversal of 1031403223 is 3223041301.

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 1031403223 - 2⁹ = 1031402711 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 1031403223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031403227) 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, 6527790 + ... + 6527947.

It is an arithmetic number, because the mean of its divisors is an integer number (261114760).

Almost surely, 2^1031403223 is an apocalyptic number.

1031403223 is a deficient number, since it is larger than the sum of its proper divisors (13055817).

1031403223 is an equidigital number, since it uses as much as digits as its factorization.

1031403223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13055816.

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

The square root of 1031403223 is about 32115.4670369279. The cubic root of 1031403223 is about 1010.3600399236.

Adding to 1031403223 its reverse (3223041301), we get a palindrome (4254444524).

It can be divided in two parts, 103140 and 3223, that multiplied together give a triangular number (332420220 = T₂₅₇₈₄).

The spelling of 1031403223 in words is "one billion, thirty-one million, four hundred three thousand, two hundred twenty-three".