11203031331330 has 32 divisors (see below), whose sum is σ = 26891722013184. Its totient is φ = 2986980930816.

The previous prime is 11203031331329. The next prime is 11203031331347. The reversal of 11203031331330 is 3313313030211.

It is a super-2 number, since 2×11203031331330² (a number of 27 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 11203031331330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30696247 + ... + 31059066.

It is an arithmetic number, because the mean of its divisors is an integer number (840366312912).

Almost surely, 2^{11203031331330} is an apocalyptic number.

11203031331330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11203031331330 is an abundant number, since it is smaller than the sum of its proper divisors (15688690681854).

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

11203031331330 is a wasteful number, since it uses less digits than its factorization.

11203031331330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61761370.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 11203031331330 its reverse (3313313030211), we get a palindrome (14516344361541).

The spelling of 11203031331330 in words is "eleven trillion, two hundred three billion, thirty-one million, three hundred thirty-one thousand, three hundred thirty".