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131220022003 = 739194783291
BaseRepresentation
bin111101000110101010…
…0101010001011110011
3110112200221121210011221
41322031110222023303
54122214311201003
6140140500245511
712323516532550
oct1721524521363
9415627553157
10131220022003
1150717310784
12215213a0897
13c4b2889445
1464cb52ba27
1536300067bd
hex1e8d52a2f3

131220022003 has 8 divisors (see below), whose sum is σ = 150004037120. Its totient is φ = 112445581320.

The previous prime is 131220021953. The next prime is 131220022013. The reversal of 131220022003 is 300220022131.

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 131220022003 - 213 = 131220013811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131220022013) 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, 2364213 + ... + 2419078.

It is an arithmetic number, because the mean of its divisors is an integer number (18750504640).

Almost surely, 2131220022003 is an apocalyptic number.

131220022003 is a deficient number, since it is larger than the sum of its proper divisors (18784015117).

131220022003 is an equidigital number, since it uses as much as digits as its factorization.

131220022003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787217.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 131220022003 its reverse (300220022131), we get a palindrome (431440044134).

The spelling of 131220022003 in words is "one hundred thirty-one billion, two hundred twenty million, twenty-two thousand, three".

Divisors: 1 7 3919 27433 4783291 33483037 18745717429 131220022003