3141216405 has 24 divisors (see below), whose sum is σ = 5475206880. Its totient is φ = 1665951840.

The previous prime is 3141216383. The next prime is 3141216427. The reversal of 3141216405 is 5046121413.

It is a happy number.

3141216405 is a `hidden beast` number, since 3 + 1 + 4 + 12 + 1 + 640 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (3141216383) and next prime (3141216427).

It is not a de Polignac number, because 3141216405 - 2⁵ = 3141216373 is a prime.

It is a super-2 number, since 2×3141216405² = 19734481006082248050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186931 + ... + 203040.

It is an arithmetic number, because the mean of its divisors is an integer number (228133620).

Almost surely, 2^3141216405 is an apocalyptic number.

It is an amenable number.

3141216405 is a deficient number, since it is larger than the sum of its proper divisors (2333990475).

3141216405 is a wasteful number, since it uses less digits than its factorization.

3141216405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390161 (or 390158 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3141216405 is about 56046.5556925669. Note that the first 3 decimals coincide. The cubic root of 3141216405 is about 1464.5334169392.

Adding to 3141216405 its reverse (5046121413), we get a palindrome (8187337818).

The spelling of 3141216405 in words is "three billion, one hundred forty-one million, two hundred sixteen thousand, four hundred five".