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3131211314 = 271120332541
BaseRepresentation
bin1011101010100010…
…0111111000110010
322002012221000102102
42322220213320302
522403042230224
61234412420402
7140410566650
oct27250477062
98065830372
103131211314
11136753a450
12734777702
133ab93547a
14219bdddd0
15134d614ae
hexbaa27e32

3131211314 has 16 divisors (see below), whose sum is σ = 5855772096. Its totient is φ = 1219952400.

The previous prime is 3131211301. The next prime is 3131211319. The reversal of 3131211314 is 4131121313.

It is not an unprimeable number, because it can be changed into a prime (3131211319) 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, 10166117 + ... + 10166424.

It is an arithmetic number, because the mean of its divisors is an integer number (365985756).

Almost surely, 23131211314 is an apocalyptic number.

3131211314 is a deficient number, since it is larger than the sum of its proper divisors (2724560782).

3131211314 is a wasteful number, since it uses less digits than its factorization.

3131211314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20332561.

The product of its digits is 216, while the sum is 20.

The square root of 3131211314 is about 55957.2275403276. The cubic root of 3131211314 is about 1462.9768676416.

Adding to 3131211314 its reverse (4131121313), we get a palindrome (7262332627).

Subtracting 3131211314 from its reverse (4131121313), we obtain a palindrome (999909999).

The spelling of 3131211314 in words is "three billion, one hundred thirty-one million, two hundred eleven thousand, three hundred fourteen".

Divisors: 1 2 7 11 14 22 77 154 20332541 40665082 142327787 223657951 284655574 447315902 1565605657 3131211314