2136310031 has 4 divisors (see below), whose sum is σ = 2136615600. Its totient is φ = 2136004464.

The previous prime is 2136310019. The next prime is 2136310051. The reversal of 2136310031 is 1300136312.

It is a happy number.

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-2136310031 is a prime.

It is a super-2 number, since 2×2136310031² = 9127641097102441922, 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 = 2136309985 and 2136310012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136310051) 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, 142046 + ... + 156363.

It is an arithmetic number, because the mean of its divisors is an integer number (534153900).

Almost surely, 2^2136310031 is an apocalyptic number.

2136310031 is a deficient number, since it is larger than the sum of its proper divisors (305569).

2136310031 is an equidigital number, since it uses as much as digits as its factorization.

2136310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305568.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2136310031 is about 46220.2339998404. The cubic root of 2136310031 is about 1287.9176449584.

Adding to 2136310031 its reverse (1300136312), we get a palindrome (3436446343).

The spelling of 2136310031 in words is "two billion, one hundred thirty-six million, three hundred ten thousand, thirty-one".