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31232214201 = 346722292801
BaseRepresentation
bin11101000101100101…
…011100010010111001
32222121121220212111010
4131011211130102321
51002430421323301
622203050424133
72153651304036
oct350545342271
988547825433
1031232214201
1112277852881
126077732049
132c39758326
141723d6238d
15c2bdc95d6
hex74595c4b9

31232214201 has 8 divisors (see below), whose sum is σ = 41732125344. Its totient is φ = 20776889600.

The previous prime is 31232214191. The next prime is 31232214203. The reversal of 31232214201 is 10241223213.

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 31232214201 - 26 = 31232214137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31232214203) 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, 11145000 + ... + 11147801.

It is an arithmetic number, because the mean of its divisors is an integer number (5216515668).

Almost surely, 231232214201 is an apocalyptic number.

It is an amenable number.

31232214201 is a deficient number, since it is larger than the sum of its proper divisors (10499911143).

31232214201 is a wasteful number, since it uses less digits than its factorization.

31232214201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22293271.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31232214201 its reverse (10241223213), we get a palindrome (41473437414).

The spelling of 31232214201 in words is "thirty-one billion, two hundred thirty-two million, two hundred fourteen thousand, two hundred one".

Divisors: 1 3 467 1401 22292801 66878403 10410738067 31232214201