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302120142121131 = 31283638912285671
BaseRepresentation
bin100010010110001101101001…
…1110000000010100010101011
31110121201101220011101112212020
41010230123103300002202223
5304044414022340334011
62550320024403515523
7120431313523243635
oct10454332360024253
91417641804345766
10302120142121131
11882a0483a76104
1229a74aa8388ba3
13cc76a65424199
14548699b465a55
1524ddc89017006
hex112c6d3c028ab

302120142121131 has 16 divisors (see below), whose sum is σ = 403203960794880. Its totient is φ = 201224924937440.

The previous prime is 302120142121013. The next prime is 302120142121151. The reversal of 302120142121131 is 131121241021203.

It is a cyclic number.

It is not a de Polignac number, because 302120142121131 - 211 = 302120142119083 is a prime.

It is a super-2 number, since 2×3021201421211312 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (302120142121151) 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, 18448426 + ... + 30734096.

It is an arithmetic number, because the mean of its divisors is an integer number (25200247549680).

Almost surely, 2302120142121131 is an apocalyptic number.

302120142121131 is a deficient number, since it is larger than the sum of its proper divisors (101083818673749).

302120142121131 is a wasteful number, since it uses less digits than its factorization.

302120142121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12293346.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 302120142121131 its reverse (131121241021203), we get a palindrome (433241383142334).

The spelling of 302120142121131 in words is "three hundred two trillion, one hundred twenty billion, one hundred forty-two million, one hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 3 1283 3849 6389 19167 8197087 12285671 24591261 36857013 15762515893 47287547679 78493152019 235479456057 100706714040377 302120142121131