2150305231 has 4 divisors (see below), whose sum is σ = 2276793792. Its totient is φ = 2023816672.

The previous prime is 2150305207. The next prime is 2150305243. The reversal of 2150305231 is 1325030512.

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 2150305231 - 2⁹ = 2150304719 is a prime.

It is a super-2 number, since 2×2150305231² = 9247625172931926722, 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 (2150300231) 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, 63244255 + ... + 63244288.

It is an arithmetic number, because the mean of its divisors is an integer number (569198448).

Almost surely, 2^2150305231 is an apocalyptic number.

2150305231 is a deficient number, since it is larger than the sum of its proper divisors (126488561).

2150305231 is a wasteful number, since it uses less digits than its factorization.

2150305231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126488560.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2150305231 is about 46371.3837511886. The cubic root of 2150305231 is about 1290.7239553532.

Adding to 2150305231 its reverse (1325030512), we get a palindrome (3475335743).

The spelling of 2150305231 in words is "two billion, one hundred fifty million, three hundred five thousand, two hundred thirty-one".