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212334230023031 = 61122691291921961
BaseRepresentation
bin110000010001110111101010…
…010110101010101101110111
31000211210221202120110112012202
4300101313222112222231313
5210312341000341214111
62031332555412535115
762503433106545204
oct6021675226525567
91024727676415182
10212334230023031
1161724494340386
121b99396802149b
13916305533075c
143a6106289ccab
151983479807b3b
hexc11dea5aab77

212334230023031 has 16 divisors (see below), whose sum is σ = 215859244689600. Its totient is φ = 208810644422400.

The previous prime is 212334230022983. The next prime is 212334230023049. The reversal of 212334230023031 is 130320032433212.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-212334230023031 is a prime.

It is a super-2 number, since 2×2123342300230312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212334230022985 and 212334230023003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212334280023031) 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, 9668684891 + ... + 9668706851.

It is an arithmetic number, because the mean of its divisors is an integer number (13491202793100).

Almost surely, 2212334230023031 is an apocalyptic number.

212334230023031 is a deficient number, since it is larger than the sum of its proper divisors (3525014666569).

212334230023031 is a wasteful number, since it uses less digits than its factorization.

212334230023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47210.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 212334230023031 its reverse (130320032433212), we get a palindrome (342654262456243).

The spelling of 212334230023031 in words is "two hundred twelve trillion, three hundred thirty-four billion, two hundred thirty million, twenty-three thousand, thirty-one".

Divisors: 1 61 12269 12919 21961 748409 788059 1339621 158503211 269439509 283714159 9668695871 16435810049 17306563699 3480889016771 212334230023031