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230131111130201 = 1133176424474781
BaseRepresentation
bin110100010100110110010011…
…001000010111010001011001
31010011211022121211001022202202
4310110312103020113101121
5220130432003422131301
62133240434543135545
766321265316152031
oct6424662310272131
91104738554038682
10230131111130201
1167366068800056
1221988b4b5a45b5
139b5436984c738
1440b8595c748c1
151b9138951066b
hexd14d93217459

230131111130201 has 8 divisors (see below), whose sum is σ = 232900059797064. Its totient is φ = 227375011413760.

The previous prime is 230131111130189. The next prime is 230131111130203. The reversal of 230131111130201 is 102031111131032.

It can be written as a sum of positive squares in 4 ways, for example, as 21538834590025 + 208592276540176 = 4640995^2 + 14442724^2 .

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 230131111130201 - 234 = 230113931261017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230131111130203) 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, 3212201570 + ... + 3212273211.

It is an arithmetic number, because the mean of its divisors is an integer number (29112507474633).

Almost surely, 2230131111130201 is an apocalyptic number.

It is an amenable number.

230131111130201 is a deficient number, since it is larger than the sum of its proper divisors (2768948666863).

230131111130201 is a wasteful number, since it uses less digits than its factorization.

230131111130201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424475211.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 230131111130201 its reverse (102031111131032), we get a palindrome (332162222261233).

The spelling of 230131111130201 in words is "two hundred thirty trillion, one hundred thirty-one billion, one hundred eleven million, one hundred thirty thousand, two hundred one".

Divisors: 1 113 317 35821 6424474781 725965650253 2036558505577 230131111130201