321410214231421 has 4 divisors (see below), whose sum is σ = 367325959121632. Its totient is φ = 275494469341212.

The previous prime is 321410214231349. The next prime is 321410214231497. The reversal of 321410214231421 is 124132412014123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321410214231421 - 2²³ = 321410205842813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321410214261421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22957872445095 + ... + 22957872445108.

It is an arithmetic number, because the mean of its divisors is an integer number (91831489780408).

Almost surely, 2^{321410214231421} is an apocalyptic number.

It is an amenable number.

321410214231421 is a deficient number, since it is larger than the sum of its proper divisors (45915744890211).

321410214231421 is an equidigital number, since it uses as much as digits as its factorization.

321410214231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45915744890210.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 321410214231421 its reverse (124132412014123), we get a palindrome (445542626245544).

The spelling of 321410214231421 in words is "three hundred twenty-one trillion, four hundred ten billion, two hundred fourteen million, two hundred thirty-one thousand, four hundred twenty-one".