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131000031444344 = 2319384844579951
BaseRepresentation
bin11101110010010011010010…
…010101101111110101111000
3122011211110222102121020210012
4131302103102111233311320
5114132301031022204334
61142340330022241052
736410303620553126
oct3562232225576570
9564743872536705
10131000031444344
113881688a64a787
1212838825586188
13581333321023a
14244c61486c916
1510229289719ce
hex7724d256fd78

131000031444344 has 16 divisors (see below), whose sum is σ = 246897727660320. Its totient is φ = 65160637401600.

The previous prime is 131000031444329. The next prime is 131000031444367. The reversal of 131000031444344 is 443444130000131.

It is a super-2 number, since 2×1310000314443442 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131000031444344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42422288432 + ... + 42422291519.

It is an arithmetic number, because the mean of its divisors is an integer number (15431107978770).

Almost surely, 2131000031444344 is an apocalyptic number.

It is an amenable number.

131000031444344 is a deficient number, since it is larger than the sum of its proper divisors (115897696215976).

131000031444344 is a wasteful number, since it uses less digits than its factorization.

131000031444344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84844580150 (or 84844580146 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 131000031444344 its reverse (443444130000131), we get a palindrome (574444161444475).

The spelling of 131000031444344 in words is "one hundred thirty-one trillion, thirty-one million, four hundred forty-four thousand, three hundred forty-four".

Divisors: 1 2 4 8 193 386 772 1544 84844579951 169689159902 339378319804 678756639608 16375003930543 32750007861086 65500015722172 131000031444344