11012031303 has 16 divisors (see below), whose sum is σ = 18071026176. Its totient is φ = 5808543840.

The previous prime is 11012031271. The next prime is 11012031377. The reversal of 11012031303 is 30313021011.

It is not a de Polignac number, because 11012031303 - 2⁵ = 11012031271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012031383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20168283 + ... + 20168828.

It is an arithmetic number, because the mean of its divisors is an integer number (1129439136).

Almost surely, 2^11012031303 is an apocalyptic number.

11012031303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11012031303 is a deficient number, since it is larger than the sum of its proper divisors (7058994873).

11012031303 is a wasteful number, since it uses less digits than its factorization.

11012031303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40337134.

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

Adding to 11012031303 its reverse (30313021011), we get a palindrome (41325052314).

The spelling of 11012031303 in words is "eleven billion, twelve million, thirty-one thousand, three hundred three".