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131322021011 = 421511361007
BaseRepresentation
bin111101001001101100…
…1110000010010010011
3110112222001112212111222
41322103121300102103
54122421414133021
6140154542355255
712326165522006
oct1722331602223
9415861485458
10131322021011
1150769948085
122154b58bb2b
13c4caa4ca9c
1464dacbd53d
153638e536ab
hex1e93670493

131322021011 has 8 divisors (see below), whose sum is σ = 131661852864. Its totient is φ = 130982322240.

The previous prime is 131322020989. The next prime is 131322021031. The reversal of 131322021011 is 110120223131.

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 131322021011 - 210 = 131322019987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131322021031) 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, 2122070 + ... + 2183076.

It is an arithmetic number, because the mean of its divisors is an integer number (16457731608).

Almost surely, 2131322021011 is an apocalyptic number.

131322021011 is a deficient number, since it is larger than the sum of its proper divisors (339831853).

131322021011 is an equidigital number, since it uses as much as digits as its factorization.

131322021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66541.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131322021011 its reverse (110120223131), we get a palindrome (241442244142).

The spelling of 131322021011 in words is "one hundred thirty-one billion, three hundred twenty-two million, twenty-one thousand, eleven".

Divisors: 1 421 5113 61007 2152573 25683947 311928791 131322021011