321430101023421 has 80 divisors (see below), whose sum is σ = 542593348133760. Its totient is φ = 188146000056960.

The previous prime is 321430101023419. The next prime is 321430101023441. The reversal of 321430101023421 is 124320101034123.

321430101023421 is a `hidden beast` number, since 3 + 2 + 1 + 4 + 301 + 0 + 10 + 2 + 342 + 1 = 666.

It is not a de Polignac number, because 321430101023421 - 2¹ = 321430101023419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321430101023411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 32736910 + ... + 41407311.

It is an arithmetic number, because the mean of its divisors is an integer number (6782416851672).

Almost surely, 2^{321430101023421} is an apocalyptic number.

It is an amenable number.

321430101023421 is a deficient number, since it is larger than the sum of its proper divisors (221163247110339).

321430101023421 is a wasteful number, since it uses less digits than its factorization.

321430101023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74144448 (or 74144439 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 321430101023421 its reverse (124320101034123), we get a palindrome (445750202057544).

The spelling of 321430101023421 in words is "three hundred twenty-one trillion, four hundred thirty billion, one hundred one million, twenty-three thousand, four hundred twenty-one".