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120131233032131 = 613195972647687
BaseRepresentation
bin11011010100001000111011…
…011110001010011111000011
3120202100102201011212210122222
4123110020323132022133003
5111221212231124012011
61103255305424121255
734206123641434316
oct3324107336123703
9522312634783588
10120131233032131
1135306408260662
12115822a2a6622b
1352054328bcac9
1421945501c697d
15dd4d5087bddb
hex6d423b78a7c3

120131233032131 has 4 divisors (see below), whose sum is σ = 120327205680432. Its totient is φ = 119935260383832.

The previous prime is 120131233032127. The next prime is 120131233032149. The reversal of 120131233032131 is 131230332131021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120131233032131 - 22 = 120131233032127 is a prime.

It is a super-2 number, since 2×1201312330321312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120131233032131.

It is not an unprimeable number, because it can be changed into a prime (120131233032731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97986323231 + ... + 97986324456.

It is an arithmetic number, because the mean of its divisors is an integer number (30081801420108).

Almost surely, 2120131233032131 is an apocalyptic number.

120131233032131 is a deficient number, since it is larger than the sum of its proper divisors (195972648301).

120131233032131 is an equidigital number, since it uses as much as digits as its factorization.

120131233032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195972648300.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 120131233032131 its reverse (131230332131021), we get a palindrome (251361565163152).

The spelling of 120131233032131 in words is "one hundred twenty trillion, one hundred thirty-one billion, two hundred thirty-three million, thirty-two thousand, one hundred thirty-one".

Divisors: 1 613 195972647687 120131233032131