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312032110111201 = 2931277569144341
BaseRepresentation
bin100011011110010101010001…
…1000101001110100111100001
31111220210222102020212100102101
41012330222203011032213201
5311344313230142024301
63023345323353250401
7122503401400110124
oct10674524305164741
91456728366770371
10312032110111201
1190472090552107
122abb5ab6403a01
131051566a3a79ac
14570a612bbc3bb
152611a1076b701
hex11bcaa314e9e1

312032110111201 has 24 divisors (see below), whose sum is σ = 333546980322600. Its totient is φ = 291548139724800.

The previous prime is 312032110111171. The next prime is 312032110111213. The reversal of 312032110111201 is 102111011230213.

It can be written as a sum of positive squares in 4 ways, for example, as 19508555088801 + 292523555022400 = 4416849^2 + 17103320^2 .

It is not a de Polignac number, because 312032110111201 - 213 = 312032110103009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312032110121201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2161698291 + ... + 2161842631.

It is an arithmetic number, because the mean of its divisors is an integer number (13897790846775).

Almost surely, 2312032110111201 is an apocalyptic number.

312032110111201 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

312032110111201 is a deficient number, since it is larger than the sum of its proper divisors (21514870211399).

312032110111201 is a wasteful number, since it uses less digits than its factorization.

312032110111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222001 (or 221970 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 312032110111201 its reverse (102111011230213), we get a palindrome (414143121341414).

The spelling of 312032110111201 in words is "three hundred twelve trillion, thirty-two billion, one hundred ten million, one hundred eleven thousand, two hundred one".

Divisors: 1 29 31 899 961 27869 77569 144341 2249501 2404639 4185889 4474571 69734531 74543809 129762559 138711701 2161770461 4022639329 11196387029 324695223841 347087997899 10065551939071 10759727934869 312032110111201