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131102021103 = 3293503296519
BaseRepresentation
bin111101000011001001…
…0100001010111101111
3110112101201120201101020
41322012102201113233
54121444104133403
6140121043145223
712320554535604
oct1720622412757
9415351521336
10131102021103
1150666744979
12214a9975213
13c4942b2421
1464b99b26ab
153624998453
hex1e864a15ef

131102021103 has 16 divisors (see below), whose sum is σ = 175748590080. Its totient is φ = 86929589024.

The previous prime is 131102021053. The next prime is 131102021129. The reversal of 131102021103 is 301120201131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131102021103 - 29 = 131102020591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131102021003) 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, 293878 + ... + 590396.

It is an arithmetic number, because the mean of its divisors is an integer number (10984286880).

Almost surely, 2131102021103 is an apocalyptic number.

131102021103 is a deficient number, since it is larger than the sum of its proper divisors (44646568977).

131102021103 is a wasteful number, since it uses less digits than its factorization.

131102021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297318.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131102021103 its reverse (301120201131), we get a palindrome (432222222234).

The spelling of 131102021103 in words is "one hundred thirty-one billion, one hundred two million, twenty-one thousand, one hundred three".

Divisors: 1 3 293 503 879 1509 147379 296519 442137 889557 86880067 149149057 260640201 447447171 43700673701 131102021103