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3131225294 = 22996755829
BaseRepresentation
bin1011101010100010…
…1011010011001110
322002012221201121012
42322220223103032
522403043202134
61234413005222
7140410655501
oct27250532316
98065851535
103131225294
1113675499aa
12734783812
133ab93b942
14219c05138
15134d656ce
hexbaa2b4ce

3131225294 has 16 divisors (see below), whose sum is σ = 4863909600. Its totient is φ = 1510035744.

The previous prime is 3131225263. The next prime is 3131225297. The reversal of 3131225294 is 4925221313.

It is a self number, because there is not a number n which added to its sum of digits gives 3131225294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131225297) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28172 + ... + 84000.

It is an arithmetic number, because the mean of its divisors is an integer number (303994350).

Almost surely, 23131225294 is an apocalyptic number.

3131225294 is a deficient number, since it is larger than the sum of its proper divisors (1732684306).

3131225294 is a wasteful number, since it uses less digits than its factorization.

3131225294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56827.

The product of its digits is 12960, while the sum is 32.

The square root of 3131225294 is about 55957.3524570275. The cubic root of 3131225294 is about 1462.9790449019.

The spelling of 3131225294 in words is "three billion, one hundred thirty-one million, two hundred twenty-five thousand, two hundred ninety-four".

Divisors: 1 2 29 58 967 1934 28043 55829 56086 111658 1619041 3238082 53986643 107973286 1565612647 3131225294