Search a number
-
+
30231131020301 = 277165765864609
BaseRepresentation
bin1101101111110101110111…
…10100110101110000001101
310222001001211111111010112102
412313322323310311300031
512430301324020122201
6144143553451044445
76240061415553311
oct667727364656015
9128031744433472
1030231131020301
1196a5a50378602
123482bb4740725
1313b3a252456a3
147672a1babb41
153765ab2d926b
hex1b7ebbd35c0d

30231131020301 has 8 divisors (see below), whose sum is σ = 30358579499640. Its totient is φ = 30103814274048.

The previous prime is 30231131020241. The next prime is 30231131020327. The reversal of 30231131020301 is 10302013113203.

It can be written as a sum of positive squares in 4 ways, for example, as 1270061380900 + 28961069639401 = 1126970^2 + 5381549^2 .

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 30231131020301 - 210 = 30231131019277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231131020351) 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, 32473316 + ... + 33391293.

It is an arithmetic number, because the mean of its divisors is an integer number (3794822437455).

Almost surely, 230231131020301 is an apocalyptic number.

It is an amenable number.

30231131020301 is a deficient number, since it is larger than the sum of its proper divisors (127448479339).

30231131020301 is a wasteful number, since it uses less digits than its factorization.

30231131020301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65866543.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30231131020301 its reverse (10302013113203), we get a palindrome (40533144133504).

The spelling of 30231131020301 in words is "thirty trillion, two hundred thirty-one billion, one hundred thirty-one million, twenty thousand, three hundred one".

Divisors: 1 277 1657 458989 65864609 18244496693 109137657113 30231131020301