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331160149 is a prime number
BaseRepresentation
bin10011101111010…
…001101001010101
3212002010200022201
4103233101221111
51134234111044
652505524501
711130546325
oct2357215125
9762120281
10331160149
1115aa27581
1292aa3731
13537bab68
1431da5285
151e1167d4
hex13bd1a55

331160149 has 2 divisors, whose sum is σ = 331160150. Its totient is φ = 331160148.

The previous prime is 331160131. The next prime is 331160161. The reversal of 331160149 is 941061133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266277124 + 64883025 = 16318^2 + 8055^2 .

It is a cyclic number.

It is not a de Polignac number, because 331160149 - 29 = 331159637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331160549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165580074 + 165580075.

It is an arithmetic number, because the mean of its divisors is an integer number (165580075).

Almost surely, 2331160149 is an apocalyptic number.

It is an amenable number.

331160149 is a deficient number, since it is larger than the sum of its proper divisors (1).

331160149 is an equidigital number, since it uses as much as digits as its factorization.

331160149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 331160149 is about 18197.8061589852. The cubic root of 331160149 is about 691.8511860215.

The spelling of 331160149 in words is "three hundred thirty-one million, one hundred sixty thousand, one hundred forty-nine".