11131312330 has 32 divisors (see below), whose sum is σ = 20668855680. Its totient is φ = 4314150720.

The previous prime is 11131312271. The next prime is 11131312331. The reversal of 11131312330 is 3321313111.

It is a super-2 number, since 2×11131312330² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11131312298 and 11131312307.

It is not an unprimeable number, because it can be changed into a prime (11131312331) 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, 95310 + ... + 177049.

It is an arithmetic number, because the mean of its divisors is an integer number (645901740).

Almost surely, 2^11131312330 is an apocalyptic number.

11131312330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11131312330 is a deficient number, since it is larger than the sum of its proper divisors (9537543350).

11131312330 is a wasteful number, since it uses less digits than its factorization.

11131312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272494.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11131312330 its reverse (3321313111), we get a palindrome (14452625441).

The spelling of 11131312330 in words is "eleven billion, one hundred thirty-one million, three hundred twelve thousand, three hundred thirty".