321023130010401 has 32 divisors (see below), whose sum is σ = 527188656241408. Its totient is φ = 169208266878720.

The previous prime is 321023130010397. The next prime is 321023130010409. The reversal of 321023130010401 is 104010031320123.

It is not a de Polignac number, because 321023130010401 - 2² = 321023130010397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (321023130010409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425368426 + ... + 426122451.

It is an arithmetic number, because the mean of its divisors is an integer number (16474645507544).

Almost surely, 2^{321023130010401} is an apocalyptic number.

It is an amenable number.

321023130010401 is a deficient number, since it is larger than the sum of its proper divisors (206165526231007).

321023130010401 is a wasteful number, since it uses less digits than its factorization.

321023130010401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851492281.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 321023130010401 its reverse (104010031320123), we get a palindrome (425033161330524).

The spelling of 321023130010401 in words is "three hundred twenty-one trillion, twenty-three billion, one hundred thirty million, ten thousand, four hundred one".