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31112300201 = 103499605333
BaseRepresentation
bin11100111110011100…
…000000011010101001
32222022021021121101212
4130332130000122221
51002204222101301
622143124322505
72150664121403
oct347634003251
988267247355
1031112300201
111221609a6a4
126043543435
132c1a9615b8
141712069b73
15c215de4bb
hex73e7006a9

31112300201 has 8 divisors (see below), whose sum is σ = 31477368000. Its totient is φ = 30748444272.

The previous prime is 31112300179. The next prime is 31112300239. The reversal of 31112300201 is 10200321113.

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 31112300201 - 218 = 31112038057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31112300701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251270 + ... + 354063.

It is an arithmetic number, because the mean of its divisors is an integer number (3934671000).

Almost surely, 231112300201 is an apocalyptic number.

It is an amenable number.

31112300201 is a deficient number, since it is larger than the sum of its proper divisors (365067799).

31112300201 is a wasteful number, since it uses less digits than its factorization.

31112300201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605935.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31112300201 its reverse (10200321113), we get a palindrome (41312621314).

The spelling of 31112300201 in words is "thirty-one billion, one hundred twelve million, three hundred thousand, two hundred one".

Divisors: 1 103 499 51397 605333 62349299 302061167 31112300201