1013203311 has 4 divisors (see below), whose sum is σ = 1350937752. Its totient is φ = 675468872.

The previous prime is 1013203309. The next prime is 1013203339. The reversal of 1013203311 is 1133023101.

1013203311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1013203311 - 2¹ = 1013203309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013203211) 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, 168867216 + ... + 168867221.

It is an arithmetic number, because the mean of its divisors is an integer number (337734438).

Almost surely, 2^1013203311 is an apocalyptic number.

1013203311 is a deficient number, since it is larger than the sum of its proper divisors (337734441).

1013203311 is an equidigital number, since it uses as much as digits as its factorization.

1013203311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337734440.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1013203311 is about 31830.8547010601. The cubic root of 1013203311 is about 1004.3818747947.

Adding to 1013203311 its reverse (1133023101), we get a palindrome (2146226412).

The spelling of 1013203311 in words is "one billion, thirteen million, two hundred three thousand, three hundred eleven".