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13112122030331 = 181593277743991
BaseRepresentation
bin1011111011001110011101…
…1000000011100011111011
31201102111200022212211000112
42332303213120003203323
53204312111214432311
643515343052454535
72522214415212242
oct276634730034373
951374608784015
1013112122030331
1141a5902065685
12157927317a44b
137416109b776c
143348b6d8b959
1517b122be928b
hexbece76038fb

13112122030331 has 16 divisors (see below), whose sum is σ = 13211854463808. Its totient is φ = 13012706534400.

The previous prime is 13112122030327. The next prime is 13112122030363. The reversal of 13112122030331 is 13303022121131.

It is a cyclic number.

It is not a de Polignac number, because 13112122030331 - 22 = 13112122030327 is a prime.

It is a super-2 number, since 2×131121220303312 (a number of 27 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 = 13112122030297 and 13112122030306.

It is not an unprimeable number, because it can be changed into a prime (13112122038331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298041746 + ... + 298085736.

It is an arithmetic number, because the mean of its divisors is an integer number (825740903988).

Almost surely, 213112122030331 is an apocalyptic number.

13112122030331 is a deficient number, since it is larger than the sum of its proper divisors (99732433477).

13112122030331 is a wasteful number, since it uses less digits than its factorization.

13112122030331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47542.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13112122030331 its reverse (13303022121131), we get a palindrome (26415144151462).

The spelling of 13112122030331 in words is "thirteen trillion, one hundred twelve billion, one hundred twenty-two million, thirty thousand, three hundred thirty-one".

Divisors: 1 181 593 2777 43991 107333 502637 1646761 7962371 26086663 122163007 298063741 4721686003 22111504267 72442663151 13112122030331