3141340021 has 4 divisors (see below), whose sum is σ = 3152061612. Its totient is φ = 3130618432.

The previous prime is 3141340003. The next prime is 3141340039. The reversal of 3141340021 is 1200431413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1200431413 = 10433 ⋅115061.

It is an interprime number because it is at equal distance from previous prime (3141340003) and next prime (3141340039).

It can be written as a sum of positive squares in 2 ways, for example, as 2103598225 + 1037741796 = 45865^2 + 32214^2 .

It is a cyclic number.

It is not a de Polignac number, because 3141340021 - 2¹³ = 3141331829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3141340721) 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, 5360356 + ... + 5360941.

It is an arithmetic number, because the mean of its divisors is an integer number (788015403).

Almost surely, 2^3141340021 is an apocalyptic number.

It is an amenable number.

3141340021 is a deficient number, since it is larger than the sum of its proper divisors (10721591).

3141340021 is a wasteful number, since it uses less digits than its factorization.

3141340021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10721590.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3141340021 is about 56047.6584791907. The cubic root of 3141340021 is about 1464.5526279035.

Adding to 3141340021 its reverse (1200431413), we get a palindrome (4341771434).

The spelling of 3141340021 in words is "three billion, one hundred forty-one million, three hundred forty thousand, twenty-one".