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131011320310 = 25131007779387
BaseRepresentation
bin111101000000011100…
…0100001100111110110
3110112011101220122021121
41322000320201213312
54121302344222220
6140104043134154
712315403564033
oct1720070414766
9415141818247
10131011320310
115061a525042
122148351435a
13c47b576510
1464ab92238a
15361ba2deaa
hex1e80e219f6

131011320310 has 16 divisors (see below), whose sum is σ = 253960405776. Its totient is φ = 48373410528.

The previous prime is 131011320289. The next prime is 131011320311. The reversal of 131011320310 is 13023110131.

It is a super-2 number, since 2×1310113203102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131011320311) 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, 503889564 + ... + 503889823.

It is an arithmetic number, because the mean of its divisors is an integer number (15872525361).

Almost surely, 2131011320310 is an apocalyptic number.

131011320310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131011320310 is a deficient number, since it is larger than the sum of its proper divisors (122949085466).

131011320310 is a wasteful number, since it uses less digits than its factorization.

131011320310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007779407.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 131011320310 its reverse (13023110131), we get a palindrome (144034430441).

The spelling of 131011320310 in words is "one hundred thirty-one billion, eleven million, three hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 10 13 26 65 130 1007779387 2015558774 5038896935 10077793870 13101132031 26202264062 65505660155 131011320310