11312130001331 has 4 divisors (see below), whose sum is σ = 11977549413192. Its totient is φ = 10646710589472.

The previous prime is 11312130001223. The next prime is 11312130001343. The reversal of 11312130001331 is 13310003121311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11312130001331 is a prime.

It is a super-2 number, since 2×11312130001331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312130003331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332709705905 + ... + 332709705938.

It is an arithmetic number, because the mean of its divisors is an integer number (2994387353298).

Almost surely, 2^{11312130001331} is an apocalyptic number.

11312130001331 is a deficient number, since it is larger than the sum of its proper divisors (665419411861).

11312130001331 is an equidigital number, since it uses as much as digits as its factorization.

11312130001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665419411860.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 11312130001331 its reverse (13310003121311), we get a palindrome (24622133122642).

The spelling of 11312130001331 in words is "eleven trillion, three hundred twelve billion, one hundred thirty million, one thousand, three hundred thirty-one".