Search a number
-
+
321011202103231 = 2361813225794069
BaseRepresentation
bin100100011111101010011111…
…0101010111001011110111111
31120002121101000121120022202011
41020333110332222321132333
5314033421420214300411
63054422302124512051
7124421202561541063
oct11077247652713677
91502541017508664
10321011202103231
11933140a492a402
12300061560ab627
1310a172c3721423
14593b04cb79aa3
15271a38861cc21
hex123f53eab97bf

321011202103231 has 8 divisors (see below), whose sum is σ = 334973631431520. Its totient is φ = 307049224486752.

The previous prime is 321011202103223. The next prime is 321011202103243. The reversal of 321011202103231 is 132301202110123.

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 321011202103231 - 23 = 321011202103223 is a prime.

It is a super-2 number, since 2×3210112021032312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321011202103201) 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, 111475336 + ... + 114318733.

It is an arithmetic number, because the mean of its divisors is an integer number (41871703928940).

Almost surely, 2321011202103231 is an apocalyptic number.

321011202103231 is a deficient number, since it is larger than the sum of its proper divisors (13962429328289).

321011202103231 is a wasteful number, since it uses less digits than its factorization.

321011202103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225855905.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 321011202103231 its reverse (132301202110123), we get a palindrome (453312404213354).

The spelling of 321011202103231 in words is "three hundred twenty-one trillion, eleven billion, two hundred two million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 23 61813 1421699 225794069 5193263587 13957008787097 321011202103231