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3131300211 = 31380289749
BaseRepresentation
bin1011101010100011…
…1101100101110011
322002020002112100220
42322220331211303
522403103101321
61234414344123
7140411420064
oct27250754563
98066075326
103131300211
1113675a0216
127347bb043
133ab966a80
14219c2456b
15134d7c9c6
hexbaa3d973

3131300211 has 8 divisors (see below), whose sum is σ = 4496226000. Its totient is φ = 1926953952.

The previous prime is 3131300203. The next prime is 3131300213. The reversal of 3131300211 is 1120031313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3131300211 - 23 = 3131300203 is a prime.

It is a super-2 number, since 2×31313002112 = 19610082022817289042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3131300213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40144836 + ... + 40144913.

It is an arithmetic number, because the mean of its divisors is an integer number (562028250).

Almost surely, 23131300211 is an apocalyptic number.

3131300211 is a deficient number, since it is larger than the sum of its proper divisors (1364925789).

3131300211 is a wasteful number, since it uses less digits than its factorization.

3131300211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80289765.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 3131300211 is about 55958.0218646085. The cubic root of 3131300211 is about 1462.9907124459.

Adding to 3131300211 its reverse (1120031313), we get a palindrome (4251331524).

The spelling of 3131300211 in words is "three billion, one hundred thirty-one million, three hundred thousand, two hundred eleven".

Divisors: 1 3 13 39 80289749 240869247 1043766737 3131300211