Search a number
-
+
120131323 = 13231313067
BaseRepresentation
bin1110010100100…
…00111011111011
322101001022012021
413022100323323
5221223200243
615530455311
72656046044
oct712207373
9271038167
10120131323
11618a1494
1234294537
131bb71930
1411d518cb
15a82e6ed
hex7290efb

120131323 has 16 divisors (see below), whose sum is σ = 136071936. Its totient is φ = 105225120.

The previous prime is 120131279. The next prime is 120131383. The reversal of 120131323 is 323131021.

It is not a de Polignac number, because 120131323 - 225 = 86576891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120131297 and 120131306.

It is not an unprimeable number, because it can be changed into a prime (120131383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37636 + ... + 40702.

It is an arithmetic number, because the mean of its divisors is an integer number (8504496).

Almost surely, 2120131323 is an apocalyptic number.

120131323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120131323 is a deficient number, since it is larger than the sum of its proper divisors (15940613).

120131323 is a wasteful number, since it uses less digits than its factorization.

120131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 120131323 is about 10960.4435585427. The cubic root of 120131323 is about 493.4222772531.

Adding to 120131323 its reverse (323131021), we get a palindrome (443262344).

The spelling of 120131323 in words is "one hundred twenty million, one hundred thirty-one thousand, three hundred twenty-three".

Divisors: 1 13 23 131 299 1703 3013 3067 39169 39871 70541 401777 917033 5223101 9240871 120131323