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313123032 = 23324439817
BaseRepresentation
bin10010101010011…
…110000011011000
3210211012022001100
4102222132003120
51120124414112
651023151400
710521334065
oct2252360330
9724168040
10313123032
11150827a72
1288a45560
134cb44001
142d82bc6c
151c7522dc
hex12a9e0d8

313123032 has 48 divisors (see below), whose sum is σ = 850042440. Its totient is φ = 104128128.

The previous prime is 313123003. The next prime is 313123043. The reversal of 313123032 is 230321313.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 313122996 and 313123014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26988 + ... + 36804.

Almost surely, 2313123032 is an apocalyptic number.

It is an amenable number.

313123032 is an abundant number, since it is smaller than the sum of its proper divisors (536919408).

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

313123032 is a wasteful number, since it uses less digits than its factorization.

313123032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10272 (or 10265 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 313123032 is about 17695.2827612333. The cubic root of 313123032 is about 679.0550831844.

Adding to 313123032 its reverse (230321313), we get a palindrome (543444345).

The spelling of 313123032 in words is "three hundred thirteen million, one hundred twenty-three thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 443 886 1329 1772 2658 3544 3987 5316 7974 9817 10632 15948 19634 29451 31896 39268 58902 78536 88353 117804 176706 235608 353412 706824 4348931 8697862 13046793 17395724 26093586 34791448 39140379 52187172 78280758 104374344 156561516 313123032