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302130211031 = 11292053461333
BaseRepresentation
bin1000110010110000101…
…11010010100011010111
31001212211222021221220222
410121120113102203113
514422230313223111
6350444030544555
730554032264205
oct4313027224327
91055758257828
10302130211031
1110715069a390
124a67a96815b
132264c2667cc
14108a2014075
157cd46e27db
hex46585d28d7

302130211031 has 16 divisors (see below), whose sum is σ = 341128812960. Its totient is φ = 265062913920.

The previous prime is 302130211003. The next prime is 302130211039. The reversal of 302130211031 is 130112031203.

It is a de Polignac number, because none of the positive numbers 2k-302130211031 is a prime.

It is a super-2 number, since 2×3021302110312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302130211039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424241 + ... + 885573.

It is an arithmetic number, because the mean of its divisors is an integer number (21320550810).

Almost surely, 2302130211031 is an apocalyptic number.

302130211031 is a deficient number, since it is larger than the sum of its proper divisors (38998601929).

302130211031 is a wasteful number, since it uses less digits than its factorization.

302130211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463426.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 302130211031 its reverse (130112031203), we get a palindrome (432242242234).

The spelling of 302130211031 in words is "three hundred two billion, one hundred thirty million, two hundred eleven thousand, thirty-one".

Divisors: 1 11 29 319 2053 22583 59537 461333 654907 5074663 13378657 147165227 947116649 10418283139 27466382821 302130211031