2311131241 has 4 divisors (see below), whose sum is σ = 2411615232. Its totient is φ = 2210647252.

The previous prime is 2311131211. The next prime is 2311131271. The reversal of 2311131241 is 1421311132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2311131211) and next prime (2311131271).

It is a cyclic number.

It is not a de Polignac number, because 2311131241 - 2¹¹ = 2311129193 is a prime.

It is a super-2 number, since 2×2311131241² = 10682655226252400162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311131211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50241961 + ... + 50242006.

It is an arithmetic number, because the mean of its divisors is an integer number (602903808).

Almost surely, 2^2311131241 is an apocalyptic number.

It is an amenable number.

2311131241 is a deficient number, since it is larger than the sum of its proper divisors (100483991).

2311131241 is a wasteful number, since it uses less digits than its factorization.

2311131241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100483990.

The product of its digits is 144, while the sum is 19.

The square root of 2311131241 is about 48074.2263692303. The cubic root of 2311131241 is about 1322.1321603765.

Adding to 2311131241 its reverse (1421311132), we get a palindrome (3732442373).

The spelling of 2311131241 in words is "two billion, three hundred eleven million, one hundred thirty-one thousand, two hundred forty-one".