2141523331 has 4 divisors (see below), whose sum is σ = 2154346992. Its totient is φ = 2128699672.

The previous prime is 2141523323. The next prime is 2141523341. The reversal of 2141523331 is 1333251412.

It is a happy number.

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 2141523331 - 2³ = 2141523323 is a prime.

It is a super-2 number, since 2×2141523331² = 9172244354434671122, 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 = 2141523296 and 2141523305.

It is not an unprimeable number, because it can be changed into a prime (2141523341) 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, 6411580 + ... + 6411913.

It is an arithmetic number, because the mean of its divisors is an integer number (538586748).

Almost surely, 2^2141523331 is an apocalyptic number.

2141523331 is a deficient number, since it is larger than the sum of its proper divisors (12823661).

2141523331 is a wasteful number, since it uses less digits than its factorization.

2141523331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12823660.

The product of its digits is 2160, while the sum is 25.

The square root of 2141523331 is about 46276.5959314209. The cubic root of 2141523331 is about 1288.9644416392.

Adding to 2141523331 its reverse (1333251412), we get a palindrome (3474774743).

The spelling of 2141523331 in words is "two billion, one hundred forty-one million, five hundred twenty-three thousand, three hundred thirty-one".