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131113130302 = 2711851383963
BaseRepresentation
bin111101000011011110…
…0111001100100111110
3110112102111111010100001
41322012330321210332
54122004430132202
6140122121224514
712321051135130
oct1720674714476
9415374433301
10131113130302
1150671a42430
12214b163213a
13c4966a1b0b
1464bb265050
15362593ed87
hex1e86f3993e

131113130302 has 16 divisors (see below), whose sum is σ = 245198581632. Its totient is φ = 51083037720.

The previous prime is 131113130287. The next prime is 131113130303. The reversal of 131113130302 is 203031311131.

It is a super-2 number, since 2×1311131303022 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131113130302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131113130303) 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, 425691828 + ... + 425692135.

It is an arithmetic number, because the mean of its divisors is an integer number (15324911352).

Almost surely, 2131113130302 is an apocalyptic number.

131113130302 is a deficient number, since it is larger than the sum of its proper divisors (114085451330).

131113130302 is a wasteful number, since it uses less digits than its factorization.

131113130302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851383983.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131113130302 its reverse (203031311131), we get a palindrome (334144441433).

It can be divided in two parts, 13111 and 3130302, that added together give a palindrome (3143413).

The spelling of 131113130302 in words is "one hundred thirty-one billion, one hundred thirteen million, one hundred thirty thousand, three hundred two".

Divisors: 1 2 7 11 14 22 77 154 851383963 1702767926 5959687741 9365223593 11919375482 18730447186 65556565151 131113130302