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230000121331131 = 376666707110377
BaseRepresentation
bin110100010010111100010011…
…100001111011110110111011
31010011100210111220122002002010
4310102330103201323312323
5220121310222030044011
62133100332545141003
766305650263221064
oct6422742341736673
91104323456562063
10230000121331131
116731555a445268
122196769332a763
139b44bc289cba8
1440b20cb15556b
151b8cc6e8331a6
hexd12f1387bdbb

230000121331131 has 4 divisors (see below), whose sum is σ = 306666828441512. Its totient is φ = 153333414220752.

The previous prime is 230000121331103. The next prime is 230000121331163. The reversal of 230000121331131 is 131133121000032.

It is a happy number.

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

It is not a de Polignac number, because 230000121331131 - 26 = 230000121331067 is a prime.

It is a super-2 number, since 2×2300001213311312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230000121331098 and 230000121331107.

It is not an unprimeable number, because it can be changed into a prime (230000121336131) 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, 38333353555186 + ... + 38333353555191.

It is an arithmetic number, because the mean of its divisors is an integer number (76666707110378).

Almost surely, 2230000121331131 is an apocalyptic number.

230000121331131 is a deficient number, since it is larger than the sum of its proper divisors (76666707110381).

230000121331131 is an equidigital number, since it uses as much as digits as its factorization.

230000121331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76666707110380.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 230000121331131 its reverse (131133121000032), we get a palindrome (361133242331163).

The spelling of 230000121331131 in words is "two hundred thirty trillion, one hundred twenty-one million, three hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 3 76666707110377 230000121331131