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231120131102201 = 1131677771645461
BaseRepresentation
bin110100100011001111011001…
…010100001001010111111001
31010022022212110022121112110002
4310203033121110021113321
5220243133012030232301
62135315042241402345
766452610206206445
oct6443173124112771
91108285408545402
10231120131102201
1167707551799440
1221b087683393b5
139bc66c5094393
1441103b9d29825
151babe71d3016b
hexd233d95095f9

231120131102201 has 8 divisors (see below), whose sum is σ = 260264311857408. Its totient is φ = 203331493638000.

The previous prime is 231120131102183. The next prime is 231120131102207. The reversal of 231120131102201 is 102201131021132.

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 231120131102201 - 230 = 231119057360377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231120131102207) 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, 338885822390 + ... + 338885823071.

It is an arithmetic number, because the mean of its divisors is an integer number (32533038982176).

Almost surely, 2231120131102201 is an apocalyptic number.

It is an amenable number.

231120131102201 is a deficient number, since it is larger than the sum of its proper divisors (29144180755207).

231120131102201 is a wasteful number, since it uses less digits than its factorization.

231120131102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677771645503.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 231120131102201 its reverse (102201131021132), we get a palindrome (333321262123333).

The spelling of 231120131102201 in words is "two hundred thirty-one trillion, one hundred twenty billion, one hundred thirty-one million, one hundred two thousand, two hundred one".

Divisors: 1 11 31 341 677771645461 7455488100071 21010921009291 231120131102201