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311210022134 = 21121285991827
BaseRepresentation
bin1001000011101011001…
…00000001010011110110
31002202021202120011012002
410201311210001103312
520044324231202014
6354545022455302
731325034353534
oct4416544012366
91082252504162
10311210022134
1110aa8aa42900
1250393734532
132346840c1bb
14110c3c83154
1581668d6dde
hex48759014f6

311210022134 has 12 divisors (see below), whose sum is σ = 513110739372. Its totient is φ = 141459100860.

The previous prime is 311210022127. The next prime is 311210022157. The reversal of 311210022134 is 431220012113.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 642995672 + ... + 642996155.

It is an arithmetic number, because the mean of its divisors is an integer number (42759228281).

Almost surely, 2311210022134 is an apocalyptic number.

311210022134 is a deficient number, since it is larger than the sum of its proper divisors (201900717238).

311210022134 is a wasteful number, since it uses less digits than its factorization.

311210022134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285991851 (or 1285991840 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 311210022134 its reverse (431220012113), we get a palindrome (742430034247).

The spelling of 311210022134 in words is "three hundred eleven billion, two hundred ten million, twenty-two thousand, one hundred thirty-four".

Divisors: 1 2 11 22 121 242 1285991827 2571983654 14145910097 28291820194 155605011067 311210022134