1023531303 has 32 divisors (see below), whose sum is σ = 1443732480. Its totient is φ = 643737600.

The previous prime is 1023531269. The next prime is 1023531319. The reversal of 1023531303 is 3031353201.

1023531303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1023531303 - 2⁹ = 1023530791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023531303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023531403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2010613 + ... + 2011121.

It is an arithmetic number, because the mean of its divisors is an integer number (45116640).

Almost surely, 2^1023531303 is an apocalyptic number.

1023531303 is a deficient number, since it is larger than the sum of its proper divisors (420201177).

1023531303 is a wasteful number, since it uses less digits than its factorization.

1023531303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 1023531303 is about 31992.6757711824. The cubic root of 1023531303 is about 1007.7830348806.

Adding to 1023531303 its reverse (3031353201), we get a palindrome (4054884504).

The spelling of 1023531303 in words is "one billion, twenty-three million, five hundred thirty-one thousand, three hundred three".