3140043131421 has 24 divisors (see below), whose sum is σ = 5212521737280. Its totient is φ = 1784286274176.

The previous prime is 3140043131419. The next prime is 3140043131437. The reversal of 3140043131421 is 1241313400413.

3140043131421 is a `hidden beast` number, since 31 + 40 + 0 + 43 + 131 + 421 = 666.

It is not a de Polignac number, because 3140043131421 - 2¹ = 3140043131419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140043131921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139212060 + ... + 139234613.

It is an arithmetic number, because the mean of its divisors is an integer number (217188405720).

Almost surely, 2^{3140043131421} is an apocalyptic number.

It is an amenable number.

3140043131421 is a deficient number, since it is larger than the sum of its proper divisors (2072478605859).

3140043131421 is a wasteful number, since it uses less digits than its factorization.

3140043131421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278446865 (or 278446862 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 3140043131421 its reverse (1241313400413), we get a palindrome (4381356531834).

The spelling of 3140043131421 in words is "three trillion, one hundred forty billion, forty-three million, one hundred thirty-one thousand, four hundred twenty-one".