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311130131230 = 25231352739701
BaseRepresentation
bin1001000011100001100…
…11010000101100011110
31002202002012020021110201
410201300303100230132
520044143303144410
6354533050254114
731323044323462
oct4416063205436
91082065207421
10311130131230
1110aa49936666
1250370a2733a
13234549b9689
14110b74084a2
15815e8a583a
hex4870cd0b1e

311130131230 has 16 divisors (see below), whose sum is σ = 584383551264. Its totient is φ = 119041093600.

The previous prime is 311130131203. The next prime is 311130131239. The reversal of 311130131230 is 32131031113.

It is a junction number, because it is equal to n+sod(n) for n = 311130131198 and 311130131207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311130131239) 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, 676369621 + ... + 676370080.

It is an arithmetic number, because the mean of its divisors is an integer number (36523971954).

Almost surely, 2311130131230 is an apocalyptic number.

311130131230 is a deficient number, since it is larger than the sum of its proper divisors (273253420034).

311130131230 is a wasteful number, since it uses less digits than its factorization.

311130131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352739731.

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

Adding to 311130131230 its reverse (32131031113), we get a palindrome (343261162343).

The spelling of 311130131230 in words is "three hundred eleven billion, one hundred thirty million, one hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 1352739701 2705479402 6763698505 13527397010 31113013123 62226026246 155565065615 311130131230