11012030331 has 16 divisors (see below), whose sum is σ = 14907916800. Its totient is φ = 7229240928.

The previous prime is 11012030311. The next prime is 11012030333. The reversal of 11012030331 is 13303021011.

It is not a de Polignac number, because 11012030331 - 2²² = 11007836027 is a prime.

It is a super-2 number, since 2×11012030331² (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 11012030331.

It is not an unprimeable number, because it can be changed into a prime (11012030333) 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, 28525 + ... + 151121.

It is an arithmetic number, because the mean of its divisors is an integer number (931744800).

Almost surely, 2^11012030331 is an apocalyptic number.

11012030331 is a deficient number, since it is larger than the sum of its proper divisors (3895886469).

11012030331 is a wasteful number, since it uses less digits than its factorization.

11012030331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123058.

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

Adding to 11012030331 its reverse (13303021011), we get a palindrome (24315051342).

The spelling of 11012030331 in words is "eleven billion, twelve million, thirty thousand, three hundred thirty-one".