2141131431 has 4 divisors (see below), whose sum is σ = 2854841912. Its totient is φ = 1427420952.

The previous prime is 2141131411. The next prime is 2141131441. The reversal of 2141131431 is 1341311412.

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

It is not a de Polignac number, because 2141131431 - 2¹¹ = 2141129383 is a prime.

It is a super-2 number, since 2×2141131431² = 9168887609632215522, 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 = 2141131398 and 2141131407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141131411) 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, 356855236 + ... + 356855241.

It is an arithmetic number, because the mean of its divisors is an integer number (713710478).

Almost surely, 2^2141131431 is an apocalyptic number.

2141131431 is a deficient number, since it is larger than the sum of its proper divisors (713710481).

2141131431 is an equidigital number, since it uses as much as digits as its factorization.

2141131431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713710480.

The product of its digits is 288, while the sum is 21.

The square root of 2141131431 is about 46272.3614158603. The cubic root of 2141131431 is about 1288.8858097647.

Adding to 2141131431 its reverse (1341311412), we get a palindrome (3482442843).

The spelling of 2141131431 in words is "two billion, one hundred forty-one million, one hundred thirty-one thousand, four hundred thirty-one".