1013400203 has 8 divisors (see below), whose sum is σ = 1029445200. Its totient is φ = 997446688.

The previous prime is 1013400173. The next prime is 1013400233. The reversal of 1013400203 is 3020043101.

1013400203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1013400173) and next prime (1013400233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013400203 - 2⁶ = 1013400139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013400233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368 + ... + 45021.

It is an arithmetic number, because the mean of its divisors is an integer number (128680650).

Almost surely, 2^1013400203 is an apocalyptic number.

1013400203 is a deficient number, since it is larger than the sum of its proper divisors (16044997).

1013400203 is an equidigital number, since it uses as much as digits as its factorization.

1013400203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45741.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1013400203 is about 31833.9473361379. The cubic root of 1013400203 is about 1004.4469298354.

Adding to 1013400203 its reverse (3020043101), we get a palindrome (4033443304).

The spelling of 1013400203 in words is "one billion, thirteen million, four hundred thousand, two hundred three".