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231531424013350 = 2526121756515027
BaseRepresentation
bin110100101001001110011100…
…010010000101110000100110
31010100210012002000210020020101
4310221032130102011300212
5220321402324021411400
62140232022352054314
766524410345236616
oct6451163422056046
91110705060706211
10231531424013350
1167855a1a93105a
1221b7441153439a
139c26420215366
144126275c48a46
151bb79e4d7656a
hexd2939c485c26

231531424013350 has 24 divisors (see below), whose sum is σ = 430718805131688. Its totient is φ = 92597439182400.

The previous prime is 231531424013341. The next prime is 231531424013413. The reversal of 231531424013350 is 53310424135132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377951464 + ... + 378563563.

It is an arithmetic number, because the mean of its divisors is an integer number (17946616880487).

Almost surely, 2231531424013350 is an apocalyptic number.

231531424013350 is a deficient number, since it is larger than the sum of its proper divisors (199187381118338).

231531424013350 is a wasteful number, since it uses less digits than its factorization.

231531424013350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756521160 (or 756521155 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 231531424013350 its reverse (53310424135132), we get a palindrome (284841848148482).

The spelling of 231531424013350 in words is "two hundred thirty-one trillion, five hundred thirty-one billion, four hundred twenty-four million, thirteen thousand, three hundred fifty".

Divisors: 1 2 5 10 25 50 6121 12242 30605 61210 153025 306050 756515027 1513030054 3782575135 7565150270 18912875675 37825751350 4630628480267 9261256960534 23153142401335 46306284802670 115765712006675 231531424013350