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131000310120103 = 29547115125932767
BaseRepresentation
bin11101110010010011100010…
…111100110011111010100111
3122011211111200211222110001121
4131302103202330303322213
5114132302113342320403
61142340413415234411
736410313543346654
oct3562234274637247
9564744624873047
10131000310120103
1138816a12989a26
12128388a2978a07
135813378b82c38
14244c63d890c2b
15102294316c3bd
hex7724e2f33ea7

131000310120103 has 32 divisors (see below), whose sum is σ = 135984794664960. Its totient is φ = 126047921126400.

The previous prime is 131000310120089. The next prime is 131000310120133. The reversal of 131000310120103 is 301021013000131.

It is a cyclic number.

It is not a de Polignac number, because 131000310120103 - 237 = 130862871166631 is a prime.

It is a super-2 number, since 2×1310003101201032 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000310120133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47343804226 + ... + 47343806992.

It is an arithmetic number, because the mean of its divisors is an integer number (4249524833280).

Almost surely, 2131000310120103 is an apocalyptic number.

131000310120103 is a deficient number, since it is larger than the sum of its proper divisors (4984484544857).

131000310120103 is a wasteful number, since it uses less digits than its factorization.

131000310120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087.

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

Adding to 131000310120103 its reverse (301021013000131), we get a palindrome (432021323120234).

The spelling of 131000310120103 in words is "one hundred thirty-one trillion, three hundred ten million, one hundred twenty thousand, one hundred three".

Divisors: 1 29 547 1151 2593 2767 15863 33379 75197 80243 629597 1418371 1513549 2984543 3184817 7174831 18258313 41132759 43892921 86551747 92359693 208070099 1632545021 1742094899 3924632557 8258230481 47343805609 50520752071 113814344153 239488683949 4517252073107 131000310120103