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31230422334321 = 3747131245998227
BaseRepresentation
bin1110001100111011001100…
…01110101011101101110001
311002120121011211101120121120
413012131212032223231301
513043134401104144241
6150231020304012453
76402215656563420
oct706354616535561
9132517154346546
1031230422334321
119a50825261201
1236047b9301129
1314570297503c2
1479d7bc0592b7
15392595714666
hex1c67663abb71

31230422334321 has 64 divisors (see below), whose sum is σ = 48993171701760. Its totient is φ = 17325699094080.

The previous prime is 31230422334311. The next prime is 31230422334347. The reversal of 31230422334321 is 12343322403213.

It is not a de Polignac number, because 31230422334321 - 25 = 31230422334289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31230422334311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 317892210 + ... + 317990436.

It is an arithmetic number, because the mean of its divisors is an integer number (765518307840).

Almost surely, 231230422334321 is an apocalyptic number.

It is an amenable number.

31230422334321 is a deficient number, since it is larger than the sum of its proper divisors (17762749367439).

31230422334321 is a wasteful number, since it uses less digits than its factorization.

31230422334321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100874.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 31230422334321 its reverse (12343322403213), we get a palindrome (43573744737534).

The spelling of 31230422334321 in words is "thirty-one trillion, two hundred thirty billion, four hundred twenty-two million, three hundred thirty-four thousand, three hundred twenty-one".

Divisors: 1 3 7 21 47 131 141 329 393 917 987 2459 2751 6157 7377 17213 18471 43099 51639 98227 115573 129297 294681 322129 346719 687589 809011 966387 2062767 2254903 2427033 4616669 6764709 12867737 13850007 15140063 32316683 38603211 45420189 90074159 96950049 105980441 241540193 270222477 317941323 604783639 724620579 1690781351 1814350917 4233485473 5072344053 11352389071 12700456419 31641765283 34057167213 79466723497 94925295849 221492356981 238400170491 664477070943 1487162968301 4461488904903 10410140778107 31230422334321