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88313131 is a prime number
BaseRepresentation
bin1010100001110…
…00110100101011
320011011202211201
411100320310223
5140102010011
612432505031
72121435454
oct520706453
9204152751
1088313131
1145939a65
12256ab177
13153b11ba
14ba2c12b
157b46cc1
hex5438d2b

88313131 has 2 divisors, whose sum is σ = 88313132. Its totient is φ = 88313130.

The previous prime is 88313119. The next prime is 88313153. The reversal of 88313131 is 13131388.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88313131 is a prime.

It is a super-2 number, since 2×883131312 = 15598418214046322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 88313131.

It is not a weakly prime, because it can be changed into another prime (88313101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44156565 + 44156566.

It is an arithmetic number, because the mean of its divisors is an integer number (44156566).

Almost surely, 288313131 is an apocalyptic number.

88313131 is a deficient number, since it is larger than the sum of its proper divisors (1).

88313131 is an equidigital number, since it uses as much as digits as its factorization.

88313131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 88313131 is about 9397.5066374012. The cubic root of 88313131 is about 445.3229671597.

The spelling of 88313131 in words is "eighty-eight million, three hundred thirteen thousand, one hundred thirty-one".