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231121310210232 = 233137091044814429
BaseRepresentation
bin110100100011010000011111…
…100110000101100010111000
31010022022222111111022102120220
4310203100133212011202320
5220243142420403211412
62135315355242020040
766452651344362261
oct6443203746054270
91108288444272526
10231121310210232
1167707aa7325792
1221b08a371a7620
139bc6852452440
14411048c77b968
151babee05e068c
hexd2341f9858b8

231121310210232 has 64 divisors (see below), whose sum is σ = 623127326052000. Its totient is φ = 71013947042304.

The previous prime is 231121310210101. The next prime is 231121310210243. The reversal of 231121310210232 is 232012013121132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522186007 + ... + 522628422.

Almost surely, 2231121310210232 is an apocalyptic number.

It is an amenable number.

231121310210232 is an abundant number, since it is smaller than the sum of its proper divisors (392006015841768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231121310210232 is a wasteful number, since it uses less digits than its factorization.

231121310210232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044815160 (or 1044815156 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 231121310210232 its reverse (232012013121132), we get a palindrome (463133323331364).

The spelling of 231121310210232 in words is "two hundred thirty-one trillion, one hundred twenty-one billion, three hundred ten million, two hundred ten thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 709 1418 2127 2836 4254 5672 8508 9217 17016 18434 27651 36868 55302 73736 110604 221208 1044814429 2089628858 3134443287 4179257716 6268886574 8358515432 12537773148 13582587577 25075546296 27165175154 40747762731 54330350308 81495525462 108660700616 162991050924 325982101848 740773430161 1481546860322 2222320290483 2963093720644 4444640580966 5926187441288 8889281161932 9630054592093 17778562323864 19260109184186 28890163776279 38520218368372 57780327552558 77040436736744 115560655105116 231121310210232