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31321425201 = 311949134097
BaseRepresentation
bin11101001010111001…
…110000010100110001
32222211211210020222020
4131022321300110301
51003121241101301
622215554502053
72156113502313
oct351271602461
988754706866
1031321425201
1112313145380
1260a1594929
132c520920c1
141731b457b3
15c34b4c436
hex74ae70531

31321425201 has 8 divisors (see below), whose sum is σ = 45558436704. Its totient is φ = 18982681920.

The previous prime is 31321425199. The next prime is 31321425217. The reversal of 31321425201 is 10252412313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31321425201 - 21 = 31321425199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31321425271) 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, 474567016 + ... + 474567081.

It is an arithmetic number, because the mean of its divisors is an integer number (5694804588).

Almost surely, 231321425201 is an apocalyptic number.

It is an amenable number.

31321425201 is a deficient number, since it is larger than the sum of its proper divisors (14237011503).

31321425201 is a wasteful number, since it uses less digits than its factorization.

31321425201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949134111.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 31321425201 its reverse (10252412313), we get a palindrome (41573837514).

The spelling of 31321425201 in words is "thirty-one billion, three hundred twenty-one million, four hundred twenty-five thousand, two hundred one".

Divisors: 1 3 11 33 949134097 2847402291 10440475067 31321425201