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331648153 is a prime number
BaseRepresentation
bin10011110001001…
…000110010011001
3212010001110201221
4103301020302121
51134400220103
652524212041
711134651144
oct2361106231
9763043657
10331648153
11160230191
129309a021
135392c015
143209105b
151e1b11bd
hex13c48c99

331648153 has 2 divisors, whose sum is σ = 331648154. Its totient is φ = 331648152.

The previous prime is 331648151. The next prime is 331648193. The reversal of 331648153 is 351846133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176570944 + 155077209 = 13288^2 + 12453^2 .

It is a cyclic number.

It is not a de Polignac number, because 331648153 - 21 = 331648151 is a prime.

It is a super-2 number, since 2×3316481532 = 219980994776622818, which contains 22 as substring.

Together with 331648151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (331648151) 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, 165824076 + 165824077.

It is an arithmetic number, because the mean of its divisors is an integer number (165824077).

Almost surely, 2331648153 is an apocalyptic number.

It is an amenable number.

331648153 is a deficient number, since it is larger than the sum of its proper divisors (1).

331648153 is an equidigital number, since it uses as much as digits as its factorization.

331648153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 331648153 is about 18211.2095424769. The cubic root of 331648153 is about 692.1908609882.

The spelling of 331648153 in words is "three hundred thirty-one million, six hundred forty-eight thousand, one hundred fifty-three".