2345011131 has 4 divisors (see below), whose sum is σ = 3126681512. Its totient is φ = 1563340752.

The previous prime is 2345011121. The next prime is 2345011139. The reversal of 2345011131 is 1311105432.

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

It is not a de Polignac number, because 2345011131 - 2⁵ = 2345011099 is a prime.

It is a super-2 number, since 2×2345011131² = 10998154409027798322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2345011098 and 2345011107.

It is not an unprimeable number, because it can be changed into a prime (2345011139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390835186 + ... + 390835191.

It is an arithmetic number, because the mean of its divisors is an integer number (781670378).

Almost surely, 2^2345011131 is an apocalyptic number.

2345011131 is a deficient number, since it is larger than the sum of its proper divisors (781670381).

2345011131 is an equidigital number, since it uses as much as digits as its factorization.

2345011131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781670380.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2345011131 is about 48425.3149809064. The cubic root of 2345011131 is about 1328.5614179432.

Adding to 2345011131 its reverse (1311105432), we get a palindrome (3656116563).

The spelling of 2345011131 in words is "two billion, three hundred forty-five million, eleven thousand, one hundred thirty-one".