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131022021201 = 346394328309
BaseRepresentation
bin111101000000110000…
…1010110001001010001
3110112012011001022010220
41322001201112021101
54121313114134301
6140105104343253
712315563543001
oct1720141261121
9415164038126
10131022021201
1150625573855
1221487014b29
13c4808520c6
1464ad10a001
15361c944936
hex1e81856251

131022021201 has 8 divisors (see below), whose sum is σ = 175073343360. Its totient is φ = 87159356592.

The previous prime is 131022021187. The next prime is 131022021211. The reversal of 131022021201 is 102120220131.

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

It is not a de Polignac number, because 131022021201 - 222 = 131017826897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131022021211) 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, 47162766 + ... + 47165543.

It is an arithmetic number, because the mean of its divisors is an integer number (21884167920).

Almost surely, 2131022021201 is an apocalyptic number.

It is an amenable number.

131022021201 is a deficient number, since it is larger than the sum of its proper divisors (44051322159).

131022021201 is an equidigital number, since it uses as much as digits as its factorization.

131022021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94328775.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 131022021201 its reverse (102120220131), we get a palindrome (233142241332).

The spelling of 131022021201 in words is "one hundred thirty-one billion, twenty-two million, twenty-one thousand, two hundred one".

Divisors: 1 3 463 1389 94328309 282984927 43674007067 131022021201