11230131140 has 24 divisors (see below), whose sum is σ = 23593987032. Its totient is φ = 4490012160.

The previous prime is 11230131139. The next prime is 11230131181. The reversal of 11230131140 is 4113103211.

It can be written as a sum of positive squares in 4 ways, for example, as 2106442816 + 9123688324 = 45896^2 + 95518^2 .

It is a super-2 number, since 2×11230131140² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81989 + ... + 170828.

It is an arithmetic number, because the mean of its divisors is an integer number (983082793).

Almost surely, 2^11230131140 is an apocalyptic number.

11230131140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11230131140 is an abundant number, since it is smaller than the sum of its proper divisors (12363855892).

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

11230131140 is a wasteful number, since it uses less digits than its factorization.

11230131140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255047 (or 255045 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11230131140 its reverse (4113103211), we get a palindrome (15343234351).

The spelling of 11230131140 in words is "eleven billion, two hundred thirty million, one hundred thirty-one thousand, one hundred forty".