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131102031303 = 3310745379727
BaseRepresentation
bin111101000011001001…
…0100011110111000111
3110112101201121020101000
41322012102203313013
54121444110000203
6140121043304343
712320554610415
oct1720622436707
9415351536330
10131102031303
1150666751601
12214a997b0b3
13c4942b6c69
1464b99b62b5
15362499b4a3
hex1e864a3dc7

131102031303 has 16 divisors (see below), whose sum is σ = 196040424960. Its totient is φ = 86584517208.

The previous prime is 131102031299. The next prime is 131102031311. The reversal of 131102031303 is 303130201131.

It is a happy number.

131102031303 is a `hidden beast` number, since 1 + 311 + 0 + 20 + 31 + 303 = 666.

It is not a de Polignac number, because 131102031303 - 22 = 131102031299 is a prime.

It is a super-2 number, since 2×1311020313032 (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 (131107031303) 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, 22686975 + ... + 22692752.

It is an arithmetic number, because the mean of its divisors is an integer number (12252526560).

Almost surely, 2131102031303 is an apocalyptic number.

131102031303 is a deficient number, since it is larger than the sum of its proper divisors (64938393657).

131102031303 is a wasteful number, since it uses less digits than its factorization.

131102031303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45379843 (or 45379837 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 131102031303 its reverse (303130201131), we get a palindrome (434232232434).

The spelling of 131102031303 in words is "one hundred thirty-one billion, one hundred two million, thirty-one thousand, three hundred three".

Divisors: 1 3 9 27 107 321 963 2889 45379727 136139181 408417543 1225252629 4855630789 14566892367 43700677101 131102031303