2141522431 has 8 divisors (see below), whose sum is σ = 2150844080. Its totient is φ = 2132220672.

The previous prime is 2141522423. The next prime is 2141522443. The reversal of 2141522431 is 1342251412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2141522431 - 2³ = 2141522423 is a prime.

It is a super-2 number, since 2×2141522431² = 9172236644952299522, 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 = 2141522396 and 2141522405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141522491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235375 + ... + 244303.

It is an arithmetic number, because the mean of its divisors is an integer number (268855510).

Almost surely, 2^2141522431 is an apocalyptic number.

2141522431 is a deficient number, since it is larger than the sum of its proper divisors (9321649).

2141522431 is an equidigital number, since it uses as much as digits as its factorization.

2141522431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9945.

The product of its digits is 1920, while the sum is 25.

The square root of 2141522431 is about 46276.5862072820. The cubic root of 2141522431 is about 1288.9642610718.

Adding to 2141522431 its reverse (1342251412), we get a palindrome (3483773843).

The spelling of 2141522431 in words is "two billion, one hundred forty-one million, five hundred twenty-two thousand, four hundred thirty-one".