2140303471 has 4 divisors (see below), whose sum is σ = 2167396000. Its totient is φ = 2113210944.

The previous prime is 2140303427. The next prime is 2140303483. The reversal of 2140303471 is 1743030412.

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 2140303471 - 2¹³ = 2140295279 is a prime.

It is a super-3 number, since 3×2140303471³ (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 (2140303421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13546146 + ... + 13546303.

It is an arithmetic number, because the mean of its divisors is an integer number (541849000).

Almost surely, 2^2140303471 is an apocalyptic number.

2140303471 is a deficient number, since it is larger than the sum of its proper divisors (27092529).

2140303471 is an equidigital number, since it uses as much as digits as its factorization.

2140303471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27092528.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2140303471 is about 46263.4139574675. The cubic root of 2140303471 is about 1288.7196540799.

Adding to 2140303471 its reverse (1743030412), we get a palindrome (3883333883).

The spelling of 2140303471 in words is "two billion, one hundred forty million, three hundred three thousand, four hundred seventy-one".