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1312344234 = 23397250543
BaseRepresentation
bin100111000111000…
…1100100010101010
310101110101222212000
41032032030202222
510141430003414
6334120031430
744343512325
oct11616144252
93343358760
101312344234
11613869713
12307602576
1317bb6a866
14c64157bc
157a32cb09
hex4e38c8aa

1312344234 has 32 divisors (see below), whose sum is σ = 2946397440. Its totient is φ = 432936576.

The previous prime is 1312344233. The next prime is 1312344239. The reversal of 1312344234 is 4324432131.

1312344234 is a `hidden beast` number, since 1 + 3 + 1 + 234 + 423 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1312344198 and 1312344207.

It is not an unprimeable number, because it can be changed into a prime (1312344233) 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, 120034 + ... + 130509.

It is an arithmetic number, because the mean of its divisors is an integer number (92074920).

Almost surely, 21312344234 is an apocalyptic number.

1312344234 is an abundant number, since it is smaller than the sum of its proper divisors (1634053206).

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

1312344234 is a wasteful number, since it uses less digits than its factorization.

1312344234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250651 (or 250645 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1312344234 is about 36226.2920266483. The cubic root of 1312344234 is about 1094.8364702312.

Adding to 1312344234 its reverse (4324432131), we get a palindrome (5636776365).

The spelling of 1312344234 in words is "one billion, three hundred twelve million, three hundred forty-four thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 97 194 291 582 873 1746 2619 5238 250543 501086 751629 1503258 2254887 4509774 6764661 13529322 24302671 48605342 72908013 145816026 218724039 437448078 656172117 1312344234