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202131431001 = 3223976480343
BaseRepresentation
bin1011110000111111111…
…0001101111001011001
3201022201212221121011100
42330033332031321121
511302431121243001
6232505150022013
720414001546363
oct2741776157131
9638655847140
10202131431001
11787a5a17925
12332114a7909
13160a3a93456
149ad71cdd33
1553d0649586
hex2f0ff8de59

202131431001 has 12 divisors (see below), whose sum is σ = 304661867328. Its totient is φ = 128895405144.

The previous prime is 202131430967. The next prime is 202131431057. The reversal of 202131431001 is 100134131202.

202131431001 is a `hidden beast` number, since 20 + 21 + 314 + 310 + 0 + 1 = 666.

It is not a de Polignac number, because 202131431001 - 219 = 202130906713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202131433001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488239965 + ... + 488240378.

It is an arithmetic number, because the mean of its divisors is an integer number (25388488944).

Almost surely, 2202131431001 is an apocalyptic number.

It is an amenable number.

202131431001 is a deficient number, since it is larger than the sum of its proper divisors (102530436327).

202131431001 is a wasteful number, since it uses less digits than its factorization.

202131431001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976480372 (or 976480369 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 202131431001 its reverse (100134131202), we get a palindrome (302265562203).

The spelling of 202131431001 in words is "two hundred two billion, one hundred thirty-one million, four hundred thirty-one thousand, one".

Divisors: 1 3 9 23 69 207 976480343 2929441029 8788323087 22459047889 67377143667 202131431001