11003013231 has 16 divisors (see below), whose sum is σ = 16770796800. Its totient is φ = 6285823488.

The previous prime is 11003013211. The next prime is 11003013251. The reversal of 11003013231 is 13231030011.

It is an interprime number because it is at equal distance from previous prime (11003013211) and next prime (11003013251).

It is not a de Polignac number, because 11003013231 - 2⁶ = 11003013167 is a prime.

It is a super-2 number, since 2×11003013231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11003013231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003013211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19215 + ... + 149583.

It is an arithmetic number, because the mean of its divisors is an integer number (1048174800).

Almost surely, 2^11003013231 is an apocalyptic number.

11003013231 is a deficient number, since it is larger than the sum of its proper divisors (5767783569).

11003013231 is a wasteful number, since it uses less digits than its factorization.

11003013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134398.

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

Adding to 11003013231 its reverse (13231030011), we get a palindrome (24234043242).

The spelling of 11003013231 in words is "eleven billion, three million, thirteen thousand, two hundred thirty-one".