11312232130 has 48 divisors (see below), whose sum is σ = 21537809280. Its totient is φ = 4275758144.

The previous prime is 11312232121. The next prime is 11312232131. The reversal of 11312232130 is 3123221311.

It is a junction number, because it is equal to n+sod(n) for n = 11312232098 and 11312232107.

It is not an unprimeable number, because it can be changed into a prime (11312232131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 380961 + ... + 409579.

It is an arithmetic number, because the mean of its divisors is an integer number (448704360).

Almost surely, 2^11312232130 is an apocalyptic number.

11312232130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312232130 is a deficient number, since it is larger than the sum of its proper divisors (10225577150).

11312232130 is a wasteful number, since it uses less digits than its factorization.

11312232130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28731 (or 28702 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11312232130 its reverse (3123221311), we get a palindrome (14435453441).

The spelling of 11312232130 in words is "eleven billion, three hundred twelve million, two hundred thirty-two thousand, one hundred thirty".