2231431141 has 4 divisors (see below), whose sum is σ = 2231842284. Its totient is φ = 2231020000.

The previous prime is 2231431093. The next prime is 2231431151. The reversal of 2231431141 is 1411341322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2120234116 + 111197025 = 46046^2 + 10545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231431141 - 2²¹ = 2229333989 is a prime.

It is a super-3 number, since 3×2231431141³ (a number of 29 digits) contains 333 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 (2231431151) 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, 197320 + ... + 208321.

It is an arithmetic number, because the mean of its divisors is an integer number (557960571).

Almost surely, 2^2231431141 is an apocalyptic number.

It is an amenable number.

2231431141 is a deficient number, since it is larger than the sum of its proper divisors (411143).

2231431141 is an equidigital number, since it uses as much as digits as its factorization.

2231431141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411142.

The product of its digits is 576, while the sum is 22.

The square root of 2231431141 is about 47238.0264299854. The cubic root of 2231431141 is about 1306.7559810343.

Adding to 2231431141 its reverse (1411341322), we get a palindrome (3642772463).

The spelling of 2231431141 in words is "two billion, two hundred thirty-one million, four hundred thirty-one thousand, one hundred forty-one".