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312113133230 = 2556039556957
BaseRepresentation
bin1001000101010110110…
…01000111011010101110
31002211121200220221201012
410202223121013122232
520103201430230410
6355214403345222
731356311600513
oct4425331073256
91084550827635
10312113133230
111104037aa608
12505a6082212
1323580554972
141116bbad30a
1581bad2a605
hex48ab6476ae

312113133230 has 16 divisors (see below), whose sum is σ = 561814673760. Its totient is φ = 124842801312.

The previous prime is 312113133179. The next prime is 312113133239. The reversal of 312113133230 is 32331311213.

It is a junction number, because it is equal to n+sod(n) for n = 312113133196 and 312113133205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312113133239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281912 + ... + 838868.

It is an arithmetic number, because the mean of its divisors is an integer number (35113417110).

Almost surely, 2312113133230 is an apocalyptic number.

312113133230 is a deficient number, since it is larger than the sum of its proper divisors (249701540530).

312113133230 is a wasteful number, since it uses less digits than its factorization.

312113133230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613003.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 312113133230 its reverse (32331311213), we get a palindrome (344444444443).

The spelling of 312113133230 in words is "three hundred twelve billion, one hundred thirteen million, one hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 56039 112078 280195 556957 560390 1113914 2784785 5569570 31211313323 62422626646 156056566615 312113133230