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31101140201 = 237917116753
BaseRepresentation
bin11100111101110001…
…011011110011101001
32222021111021121202112
4130331301123303221
51002143342441301
622142045212105
72150500221065
oct347561336351
988244247675
1031101140201
111220a867a5a
12603b861035
132c18554a51
1417107a2aa5
15c206379bb
hex73dc5bce9

31101140201 has 8 divisors (see below), whose sum is σ = 32864167680. Its totient is φ = 29372346432.

The previous prime is 31101140159. The next prime is 31101140237. The reversal of 31101140201 is 10204110113.

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 31101140201 - 26 = 31101140137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31101140101) 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, 8556560 + ... + 8560193.

It is an arithmetic number, because the mean of its divisors is an integer number (4108020960).

Almost surely, 231101140201 is an apocalyptic number.

It is an amenable number.

31101140201 is a deficient number, since it is larger than the sum of its proper divisors (1763027479).

31101140201 is a wasteful number, since it uses less digits than its factorization.

31101140201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17116855.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 31101140201 its reverse (10204110113), we get a palindrome (41305250314).

The spelling of 31101140201 in words is "thirty-one billion, one hundred one million, one hundred forty thousand, two hundred one".

Divisors: 1 23 79 1817 17116753 393685319 1352223487 31101140201