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131233130020102 = 21131209701917611
BaseRepresentation
bin11101110101101100011000…
…000110001111110100000110
3122012122202122110200210111211
4131311230120012033310012
5114200110422241120402
61143035400113522034
736433165205012425
oct3565543006176406
9565582573623454
10131233130020102
11388a6726723820
1212875a3987331a
13582c300841186
142459a087012bc
151028a1ca864d7
hex775b1818fd06

131233130020102 has 32 divisors (see below), whose sum is σ = 221673682510848. Its totient is φ = 57726845100000.

The previous prime is 131233130020087. The next prime is 131233130020103. The reversal of 131233130020102 is 201020031332131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131233130020103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142557277 + ... + 143474887.

It is an arithmetic number, because the mean of its divisors is an integer number (6927302578464).

Almost surely, 2131233130020102 is an apocalyptic number.

131233130020102 is a deficient number, since it is larger than the sum of its proper divisors (90440552490746).

131233130020102 is a wasteful number, since it uses less digits than its factorization.

131233130020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127356.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131233130020102 its reverse (201020031332131), we get a palindrome (332253161352233).

The spelling of 131233130020102 in words is "one hundred thirty-one trillion, two hundred thirty-three billion, one hundred thirty million, twenty thousand, one hundred two".

Divisors: 1 2 11 22 31 62 341 682 209701 419402 917611 1835222 2306711 4613422 6500731 10093721 13001462 20187442 28445941 56891882 71508041 143016082 312905351 625810702 192423944311 384847888622 2116663387421 4233326774842 5965142273641 11930284547282 65616565010051 131233130020102