1013202403 has 4 divisors (see below), whose sum is σ = 1013269408. Its totient is φ = 1013135400.

The previous prime is 1013202401. The next prime is 1013202439. The reversal of 1013202403 is 3042023101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1013202403 - 2¹ = 1013202401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013202401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078 + ... + 45028.

It is an arithmetic number, because the mean of its divisors is an integer number (253317352).

Almost surely, 2^1013202403 is an apocalyptic number.

1013202403 is a deficient number, since it is larger than the sum of its proper divisors (67005).

1013202403 is an equidigital number, since it uses as much as digits as its factorization.

1013202403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67004.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1013202403 is about 31830.8404381663. The cubic root of 1013202403 is about 1004.3815747631.

Adding to 1013202403 its reverse (3042023101), we get a palindrome (4055225504).

The spelling of 1013202403 in words is "one billion, thirteen million, two hundred two thousand, four hundred three".