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231302021212310 = 2555194191013249
BaseRepresentation
bin110100100101111000110010…
…110011110110100010010110
31010022222020221112221111022212
4310211320302303312202112
5220304123014412243220
62135534403121553422
766502006465505606
oct6445706263664226
91108866845844285
10231302021212310
11677776aaa41294
1221b37a6aaa5872
139c0a8c1488a79
144119112b76c06
151bb1a6a4410c5
hexd25e32cf6896

231302021212310 has 16 divisors (see below), whose sum is σ = 416419076520000. Its totient is φ = 92504044409856.

The previous prime is 231302021212309. The next prime is 231302021212343. The reversal of 231302021212310 is 13212120203132.

It is a super-2 number, since 2×2313020212123102 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2095451435 + ... + 2095561814.

It is an arithmetic number, because the mean of its divisors is an integer number (26026192282500).

Almost surely, 2231302021212310 is an apocalyptic number.

231302021212310 is a deficient number, since it is larger than the sum of its proper divisors (185117055307690).

231302021212310 is a wasteful number, since it uses less digits than its factorization.

231302021212310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191018775.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 231302021212310 its reverse (13212120203132), we get a palindrome (244514141415442).

The spelling of 231302021212310 in words is "two hundred thirty-one trillion, three hundred two billion, twenty-one million, two hundred twelve thousand, three hundred ten".

Divisors: 1 2 5 10 5519 11038 27595 55190 4191013249 8382026498 20955066245 41910132490 23130202121231 46260404242462 115651010606155 231302021212310