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311310321130 = 25434676432411
BaseRepresentation
bin1001000011110111000…
…10101000010111101010
31002202112202021212112201
410201323202220113222
520100030420234010
6355003004330414
731330363032454
oct4417342502752
91082482255481
10311310321130
11110031618a36
1250401243a0a
1323483128b13
14110d33112d4
1581705ea23a
hex487b8a85ea

311310321130 has 64 divisors (see below), whose sum is σ = 575750343168. Its totient is φ = 121128759360.

The previous prime is 311310321109. The next prime is 311310321149. The reversal of 311310321130 is 31123013113.

It is a junction number, because it is equal to n+sod(n) for n = 311310321098 and 311310321107.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 129119625 + ... + 129122035.

It is an arithmetic number, because the mean of its divisors is an integer number (8996099112).

Almost surely, 2311310321130 is an apocalyptic number.

311310321130 is a deficient number, since it is larger than the sum of its proper divisors (264440022038).

311310321130 is a wasteful number, since it uses less digits than its factorization.

311310321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571.

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

Adding to 311310321130 its reverse (31123013113), we get a palindrome (342433334243).

The spelling of 311310321130 in words is "three hundred eleven billion, three hundred ten million, three hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 467 643 934 1286 2335 2411 3215 4670 4822 6430 12055 20081 24110 27649 40162 55298 100405 103673 138245 200810 207346 276490 300281 518365 600562 1036730 1125937 1501405 1550273 2251874 3002810 3100546 5629685 7751365 11259370 12912083 15502730 25824166 48415291 64560415 66661739 96830582 129120830 133323478 242076455 333308695 484152910 666617390 723977491 1447954982 3619887455 7239774910 31131032113 62262064226 155655160565 311310321130