2150611231 has 4 divisors (see below), whose sum is σ = 2277117792. Its totient is φ = 2024104672.

The previous prime is 2150611201. The next prime is 2150611241. The reversal of 2150611231 is 1321160512.

It is a happy number.

2150611231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2150611231 - 2²¹ = 2148514079 is a prime.

It is a super-2 number, since 2×2150611231² = 9250257333806670722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150611201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63253255 + ... + 63253288.

It is an arithmetic number, because the mean of its divisors is an integer number (569279448).

Almost surely, 2^2150611231 is an apocalyptic number.

2150611231 is a deficient number, since it is larger than the sum of its proper divisors (126506561).

2150611231 is a wasteful number, since it uses less digits than its factorization.

2150611231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126506560.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2150611231 is about 46374.6830824751. The cubic root of 2150611231 is about 1290.7851781029.

Adding to 2150611231 its reverse (1321160512), we get a palindrome (3471771743).

The spelling of 2150611231 in words is "two billion, one hundred fifty million, six hundred eleven thousand, two hundred thirty-one".