11312021331130 has 16 divisors (see below), whose sum is σ = 21927918272904. Its totient is φ = 4176746337600.

The previous prime is 11312021331097. The next prime is 11312021331181. The reversal of 11312021331130 is 3113312021311.

It can be written as a sum of positive squares in 4 ways, for example, as 9141110824329 + 2170910506801 = 3023427^2 + 1473401^2 .

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, 43507774221 + ... + 43507774480.

Almost surely, 2^{11312021331130} is an apocalyptic number.

11312021331130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312021331130 is a deficient number, since it is larger than the sum of its proper divisors (10615896941774).

11312021331130 is a wasteful number, since it uses less digits than its factorization.

11312021331130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87015548721.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 11312021331130 its reverse (3113312021311), we get a palindrome (14425333352441).

The spelling of 11312021331130 in words is "eleven trillion, three hundred twelve billion, twenty-one million, three hundred thirty-one thousand, one hundred thirty".