321040042001431 has 8 divisors (see below), whose sum is σ = 321137820057600. Its totient is φ = 320942265262680.

The previous prime is 321040042001429. The next prime is 321040042001443. The reversal of 321040042001431 is 134100240040123.

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 321040042001431 - 2¹ = 321040042001429 is a prime.

It is a super-2 number, since 2×321040042001431² (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 = 321040042001396 and 321040042001405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321040042001401) 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, 735641350 + ... + 736077628.

It is an arithmetic number, because the mean of its divisors is an integer number (40142227507200).

Almost surely, 2^{321040042001431} is an apocalyptic number.

321040042001431 is a deficient number, since it is larger than the sum of its proper divisors (97778056169).

321040042001431 is a wasteful number, since it uses less digits than its factorization.

321040042001431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658709.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 321040042001431 its reverse (134100240040123), we get a palindrome (455140282041554).

The spelling of 321040042001431 in words is "three hundred twenty-one trillion, forty billion, forty-two million, one thousand, four hundred thirty-one".