321020342231401 has 8 divisors (see below), whose sum is σ = 322275940769664. Its totient is φ = 319767193643040.

The previous prime is 321020342231341. The next prime is 321020342231447. The reversal of 321020342231401 is 104132243020123.

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

It is a cyclic number.

It is not a de Polignac number, because 321020342231401 - 2⁴¹ = 318821318975849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321020342231401.

It is not an unprimeable number, because it can be changed into a prime (321020349231401) 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, 612224901 + ... + 612749026.

It is an arithmetic number, because the mean of its divisors is an integer number (40284492596208).

Almost surely, 2^{321020342231401} is an apocalyptic number.

It is an amenable number.

321020342231401 is a deficient number, since it is larger than the sum of its proper divisors (1255598538263).

321020342231401 is a wasteful number, since it uses less digits than its factorization.

321020342231401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224974951.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 321020342231401 its reverse (104132243020123), we get a palindrome (425152585251524).

The spelling of 321020342231401 in words is "three hundred twenty-one trillion, twenty billion, three hundred forty-two million, two hundred thirty-one thousand, four hundred one".