11030311012 has 36 divisors (see below), whose sum is σ = 22534019760. Its totient is φ = 4710548304.

The previous prime is 11030311009. The next prime is 11030311049. The reversal of 11030311012 is 21011303011.

It is a super-2 number, since 2×11030311012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11030310983 and 11030311001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43962 + ... + 154897.

Almost surely, 2^11030311012 is an apocalyptic number.

It is an amenable number.

11030311012 is an abundant number, since it is smaller than the sum of its proper divisors (11503708748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11030311012 is a wasteful number, since it uses less digits than its factorization.

11030311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199160 (or 199151 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11030311012 its reverse (21011303011), we get a palindrome (32041614023).

The spelling of 11030311012 in words is "eleven billion, thirty million, three hundred eleven thousand, twelve".