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321231155113201 = 2274079346926997
BaseRepresentation
bin100100100001010000111010…
…0111001000010110011110001
31120010101101202111221221021211
41021002201310321002303301
5314101022401202110301
63055111315545120121
7124443120324351604
oct11102416471026361
91503341674857254
10321231155113201
1193399405645293
12300408bba89041
1310a31c77774b78
145947956bd033b
152720e5d62a051
hex1242874e42cf1

321231155113201 has 8 divisors (see below), whose sum is σ = 322725370619520. Its totient is φ = 319737633469488.

The previous prime is 321231155113199. The next prime is 321231155113237. The reversal of 321231155113201 is 102311551132123.

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 321231155113201 - 21 = 321231155113199 is a prime.

It is a super-2 number, since 2×3212311551132012 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321231155713201) 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, 172537566 + ... + 174389431.

It is an arithmetic number, because the mean of its divisors is an integer number (40340671327440).

Almost surely, 2321231155113201 is an apocalyptic number.

It is an amenable number.

321231155113201 is a deficient number, since it is larger than the sum of its proper divisors (1494215506319).

321231155113201 is a wasteful number, since it uses less digits than its factorization.

321231155113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346931303.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 321231155113201 in words is "three hundred twenty-one trillion, two hundred thirty-one billion, one hundred fifty-five million, one hundred thirteen thousand, two hundred one".

Divisors: 1 227 4079 925933 346926997 78752428319 1415115220763 321231155113201