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120223231131 = 3106739375443
BaseRepresentation
bin110111111110111011…
…1001110110010011011
3102111022120012221001010
41233331313032302123
53432204121344011
6131121345025003
711454146414013
oct1577567166233
9374276187033
10120223231131
1146a93974a63
121b372625163
13b44c5166b3
145b66c54c43
1531d989d1a6
hex1bfddcec9b

120223231131 has 8 divisors (see below), whose sum is σ = 160299570240. Its totient is φ = 80147856392.

The previous prime is 120223231109. The next prime is 120223231133. The reversal of 120223231131 is 131132322021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120223231131 - 25 = 120223231099 is a prime.

It is a super-2 number, since 2×1202232311312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120223231098 and 120223231107.

It is not an unprimeable number, because it can be changed into a prime (120223231133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132496 + ... + 507938.

It is an arithmetic number, because the mean of its divisors is an integer number (20037446280).

Almost surely, 2120223231131 is an apocalyptic number.

120223231131 is a deficient number, since it is larger than the sum of its proper divisors (40076339109).

120223231131 is a wasteful number, since it uses less digits than its factorization.

120223231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482185.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 120223231131 its reverse (131132322021), we get a palindrome (251355553152).

The spelling of 120223231131 in words is "one hundred twenty billion, two hundred twenty-three million, two hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 3 106739 320217 375443 1126329 40074410377 120223231131