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131323132302 = 23374441133201
BaseRepresentation
bin111101001001101110…
…1111111100110001110
3110112222010122022220220
41322103131333212032
54122422210213202
6140155022252210
712326211130635
oct1722335774616
9415863568826
10131323132302
115076a536aaa
122154ba27066
13c4cb04b85b
1464db0cc51c
1536390c2abc
hex1e9377f98e

131323132302 has 32 divisors (see below), whose sum is σ = 269807577504. Its totient is φ = 42581376000.

The previous prime is 131323132247. The next prime is 131323132321. The reversal of 131323132302 is 203231323131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919302 + ... + 1052502.

It is an arithmetic number, because the mean of its divisors is an integer number (8431486797).

Almost surely, 2131323132302 is an apocalyptic number.

131323132302 is an abundant number, since it is smaller than the sum of its proper divisors (138484445202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131323132302 is a wasteful number, since it uses less digits than its factorization.

131323132302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137684.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131323132302 its reverse (203231323131), we get a palindrome (334554455433).

The spelling of 131323132302 in words is "one hundred thirty-one billion, three hundred twenty-three million, one hundred thirty-two thousand, three hundred two".

Divisors: 1 2 3 6 37 74 111 222 4441 8882 13323 26646 133201 164317 266402 328634 399603 492951 799206 985902 4928437 9856874 14785311 29570622 591545641 1183091282 1774636923 3549273846 21887188717 43774377434 65661566151 131323132302