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3131003312 = 241910299353
BaseRepresentation
bin1011101010011111…
…0101000110110000
322002012112110002122
42322213311012300
522403014101222
61234404133412
7140406042353
oct27247650660
98065473078
103131003312
111367408148
12734697268
133ab8918a8
14219b8829a
15134d1ea42
hexba9f51b0

3131003312 has 20 divisors (see below), whose sum is σ = 6385599480. Its totient is φ = 1483106688.

The previous prime is 3131003279. The next prime is 3131003321. The reversal of 3131003312 is 2133001313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5149373 + ... + 5149980.

It is an arithmetic number, because the mean of its divisors is an integer number (319279974).

Almost surely, 23131003312 is an apocalyptic number.

It is an amenable number.

3131003312 is an abundant number, since it is smaller than the sum of its proper divisors (3254596168).

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

3131003312 is a wasteful number, since it uses less digits than its factorization.

3131003312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10299380 (or 10299374 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 3131003312 is about 55955.3689291743. The cubic root of 3131003312 is about 1462.9444724200.

Adding to 3131003312 its reverse (2133001313), we get a palindrome (5264004625).

The spelling of 3131003312 in words is "three billion, one hundred thirty-one million, three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 19 38 76 152 304 10299353 20598706 41197412 82394824 164789648 195687707 391375414 782750828 1565501656 3131003312