3141432421 has 4 divisors (see below), whose sum is σ = 3142291372. Its totient is φ = 3140573472.

The previous prime is 3141432401. The next prime is 3141432439. The reversal of 3141432421 is 1242341413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1242341413 = 31771 ⋅39103.

It can be written as a sum of positive squares in 2 ways, for example, as 1494209025 + 1647223396 = 38655^2 + 40586^2 .

It is a cyclic number.

It is not a de Polignac number, because 3141432421 - 2¹³ = 3141424229 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 (3141432401) 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, 423966 + ... + 431311.

It is an arithmetic number, because the mean of its divisors is an integer number (785572843).

Almost surely, 2^3141432421 is an apocalyptic number.

It is an amenable number.

3141432421 is a deficient number, since it is larger than the sum of its proper divisors (858951).

3141432421 is an equidigital number, since it uses as much as digits as its factorization.

3141432421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858950.

The product of its digits is 2304, while the sum is 25.

The square root of 3141432421 is about 56048.4827716148. The cubic root of 3141432421 is about 1464.5669873101.

Adding to 3141432421 its reverse (1242341413), we get a palindrome (4383773834).

The spelling of 3141432421 in words is "three billion, one hundred forty-one million, four hundred thirty-two thousand, four hundred twenty-one".