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120331 is a prime number
BaseRepresentation
bin11101011000001011
320010001201
4131120023
512322311
62325031
71010551
oct353013
9203051
10120331
1182452
1259777
1342a03
1431bd1
15259c1
hex1d60b

120331 has 2 divisors, whose sum is σ = 120332. Its totient is φ = 120330.

The previous prime is 120319. The next prime is 120349. The reversal of 120331 is 133021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120331 - 25 = 120299 is a prime.

It is a super-2 number, since 2×1203312 = 28959099122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60165 + 60166.

It is an arithmetic number, because the mean of its divisors is an integer number (60166).

2120331 is an apocalyptic number.

120331 is a deficient number, since it is larger than the sum of its proper divisors (1).

120331 is an equidigital number, since it uses as much as digits as its factorization.

120331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 120331 is about 346.8875898616. The cubic root of 120331 is about 49.3695507526.

Adding to 120331 its reverse (133021), we get a palindrome (253352).

The spelling of 120331 in words is "one hundred twenty thousand, three hundred thirty-one".