321421102221431 has 8 divisors (see below), whose sum is σ = 322771295959728. Its totient is φ = 320071044816000.

The previous prime is 321421102221397. The next prime is 321421102221463. The reversal of 321421102221431 is 134122201124123.

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-321421102221431 is a prime.

It is a super-2 number, since 2×321421102221431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321421102221394 and 321421102221403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321421102221481) 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, 29356700 + ... + 38789921.

It is an arithmetic number, because the mean of its divisors is an integer number (40346411994966).

Almost surely, 2^{321421102221431} is an apocalyptic number.

321421102221431 is a deficient number, since it is larger than the sum of its proper divisors (1350193738297).

321421102221431 is a wasteful number, since it uses less digits than its factorization.

321421102221431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68166433.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 321421102221431 its reverse (134122201124123), we get a palindrome (455543303345554).

The spelling of 321421102221431 in words is "three hundred twenty-one trillion, four hundred twenty-one billion, one hundred two million, two hundred twenty-one thousand, four hundred thirty-one".