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31233431300234 = 2139325749876917
BaseRepresentation
bin1110001101000000110011…
…00100111110100010001010
311002120212221112021212212112
413012200121210332202022
513043212031403101414
6150232235032342322
76402353354430662
oct706403144764212
9132525845255775
1031233431300234
119a52029795899
1236052b8b449a2
1314573b8c538c7
1479d9c59171a2
153926be979d3e
hex1c681993e88a

31233431300234 has 32 divisors (see below), whose sum is σ = 47217976626240. Its totient is φ = 15494256505728.

The previous prime is 31233431300219. The next prime is 31233431300237. The reversal of 31233431300234 is 43200313433213.

It is a self number, because there is not a number n which added to its sum of digits gives 31233431300234.

It is not an unprimeable number, because it can be changed into a prime (31233431300237) 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, 4515455744 + ... + 4515462660.

It is an arithmetic number, because the mean of its divisors is an integer number (1475561769570).

Almost surely, 231233431300234 is an apocalyptic number.

31233431300234 is a deficient number, since it is larger than the sum of its proper divisors (15984545326006).

31233431300234 is a wasteful number, since it uses less digits than its factorization.

31233431300234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15302.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 31233431300234 its reverse (43200313433213), we get a palindrome (74433744733447).

The spelling of 31233431300234 in words is "thirty-one trillion, two hundred thirty-three billion, four hundred thirty-one million, three hundred thousand, two hundred thirty-four".

Divisors: 1 2 139 278 3257 4987 6514 6917 9974 13834 452723 693193 905446 961463 1386386 1922926 16242659 22528669 32485318 34495079 45057338 68990158 2257729601 3131484991 4515459202 4794815981 6262969982 9589631962 112350472303 224700944606 15616715650117 31233431300234