2311430013 has 10 divisors (see below), whose sum is σ = 3452877054. Its totient is φ = 1540953288.

The previous prime is 2311429993. The next prime is 2311430021. The reversal of 2311430013 is 3100341132.

2311430013 is a `hidden beast` number, since 231 + 1 + 430 + 0 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2125025604 + 186404409 = 46098^2 + 13653^2 .

It is not a de Polignac number, because 2311430013 - 2²² = 2307235709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311430083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14268006 + ... + 14268167.

Almost surely, 2^2311430013 is an apocalyptic number.

It is an amenable number.

2311430013 is a deficient number, since it is larger than the sum of its proper divisors (1141447041).

2311430013 is an equidigital number, since it uses as much as digits as its factorization.

2311430013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28536185 (or 28536176 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2311430013 is about 48077.3336719082. Note that the first 3 decimals coincide. The cubic root of 2311430013 is about 1322.1891308969.

Adding to 2311430013 its reverse (3100341132), we get a palindrome (5411771145).

The spelling of 2311430013 in words is "two billion, three hundred eleven million, four hundred thirty thousand, thirteen".