2140541431 has 6 divisors (see below), whose sum is σ = 2490017640. Its totient is φ = 1834749756.

The previous prime is 2140541339. The next prime is 2140541453. The reversal of 2140541431 is 1341450412.

It is not a de Polignac number, because 2140541431 - 2²¹ = 2138444279 is a prime.

It is a super-2 number, since 2×2140541431² = 9163835235655055522, 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 = 2140541396 and 2140541405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140541461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21842211 + ... + 21842308.

It is an arithmetic number, because the mean of its divisors is an integer number (415002940).

Almost surely, 2^2140541431 is an apocalyptic number.

2140541431 is a deficient number, since it is larger than the sum of its proper divisors (349476209).

2140541431 is an equidigital number, since it uses as much as digits as its factorization.

2140541431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43684533 (or 43684526 counting only the distinct ones).

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

The square root of 2140541431 is about 46265.9856806272. The cubic root of 2140541431 is about 1288.7674124732.

Adding to 2140541431 its reverse (1341450412), we get a palindrome (3481991843).

The spelling of 2140541431 in words is "two billion, one hundred forty million, five hundred forty-one thousand, four hundred thirty-one".