11312030331 has 12 divisors (see below), whose sum is σ = 18673827952. Its totient is φ = 6464017296.

The previous prime is 11312030273. The next prime is 11312030347. The reversal of 11312030331 is 13303021311.

It is a happy number.

11312030331 is a `hidden beast` number, since 1 + 131 + 203 + 0 + 331 = 666.

It is not a de Polignac number, because 11312030331 - 2¹¹ = 11312028283 is a prime.

It is a super-2 number, since 2×11312030331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312030351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89777956 + ... + 89778081.

Almost surely, 2^11312030331 is an apocalyptic number.

11312030331 is a deficient number, since it is larger than the sum of its proper divisors (7361797621).

11312030331 is a wasteful number, since it uses less digits than its factorization.

11312030331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179556050 (or 179556047 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11312030331 its reverse (13303021311), we get a palindrome (24615051642).

The spelling of 11312030331 in words is "eleven billion, three hundred twelve million, thirty thousand, three hundred thirty-one".