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313030131211 = 744718590173
BaseRepresentation
bin1001000111000100000…
…11001011111000001011
31002220222121102021110101
410203202003023320023
520112041203144321
6355445402030231
731421115133150
oct4434203137013
91086877367411
10313030131211
11110834391786
12508011a8377
1323698520215
14112178b2227
1582215b3791
hex48e20cbe0b

313030131211 has 4 divisors (see below), whose sum is σ = 357748721392. Its totient is φ = 268311541032.

The previous prime is 313030131157. The next prime is 313030131233. The reversal of 313030131211 is 112131030313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313030131211 - 215 = 313030098443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313030131251) 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 3 ways as a sum of consecutive naturals, for example, 22359295080 + ... + 22359295093.

It is an arithmetic number, because the mean of its divisors is an integer number (89437180348).

Almost surely, 2313030131211 is an apocalyptic number.

313030131211 is a deficient number, since it is larger than the sum of its proper divisors (44718590181).

313030131211 is an equidigital number, since it uses as much as digits as its factorization.

313030131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44718590180.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 313030131211 its reverse (112131030313), we get a palindrome (425161161524).

The spelling of 313030131211 in words is "three hundred thirteen billion, thirty million, one hundred thirty-one thousand, two hundred eleven".

Divisors: 1 7 44718590173 313030131211