2132431413221 has 8 divisors (see below), whose sum is σ = 2175908380800. Its totient is φ = 2089366549920.

The previous prime is 2132431413197. The next prime is 2132431413257. The reversal of 2132431413221 is 1223141342312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132431413221 is a prime.

It is a super-2 number, since 2×2132431413221² (a number of 25 digits) contains 22 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 (2132431413421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103015616 + ... + 103036313.

It is an arithmetic number, because the mean of its divisors is an integer number (271988547600).

Almost surely, 2^{2132431413221} is an apocalyptic number.

It is an amenable number.

2132431413221 is a deficient number, since it is larger than the sum of its proper divisors (43476967579).

2132431413221 is a wasteful number, since it uses less digits than its factorization.

2132431413221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206052139.

The product of its digits is 6912, while the sum is 29.

Adding to 2132431413221 its reverse (1223141342312), we get a palindrome (3355572755533).

The spelling of 2132431413221 in words is "two trillion, one hundred thirty-two billion, four hundred thirty-one million, four hundred thirteen thousand, two hundred twenty-one".