11311103010 has 64 divisors (see below), whose sum is σ = 27698734080. Its totient is φ = 2955476160.

The previous prime is 11311103003. The next prime is 11311103033. The reversal of 11311103010 is 1030111311.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330901 + ... + 363479.

It is an arithmetic number, because the mean of its divisors is an integer number (432792720).

Almost surely, 2^11311103010 is an apocalyptic number.

11311103010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11311103010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13849367040).

11311103010 is an abundant number, since it is smaller than the sum of its proper divisors (16387631070).

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

11311103010 is a wasteful number, since it uses less digits than its factorization.

11311103010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32823.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 11311103010 its reverse (1030111311), we get a palindrome (12341214321).

The spelling of 11311103010 in words is "eleven billion, three hundred eleven million, one hundred three thousand, ten".