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12320100303131 = 15318047093601
BaseRepresentation
bin1011001101000111111100…
…1100111100000100011011
31121121210022222021022211002
42303101333030330010123
53103323031134200011
642111435334255215
72411045366465615
oct263217714740433
947553288238732
1012320100303131
113a1aa1a489375
12146b8747b750b
136b4a1b91488a
14308420475db5
1516571a05ec3b
hexb347f33c11b

12320100303131 has 4 divisors (see below), whose sum is σ = 12328147398264. Its totient is φ = 12312053208000.

The previous prime is 12320100303089. The next prime is 12320100303167. The reversal of 12320100303131 is 13130300102321.

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

It is a cyclic number.

It is not a de Polignac number, because 12320100303131 - 226 = 12320033194267 is a prime.

It is a super-2 number, since 2×123201003031312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320100309131) 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, 4023545270 + ... + 4023548331.

It is an arithmetic number, because the mean of its divisors is an integer number (3082036849566).

Almost surely, 212320100303131 is an apocalyptic number.

12320100303131 is a deficient number, since it is larger than the sum of its proper divisors (8047095133).

12320100303131 is an equidigital number, since it uses as much as digits as its factorization.

12320100303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047095132.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12320100303131 its reverse (13130300102321), we get a palindrome (25450400405452).

The spelling of 12320100303131 in words is "twelve trillion, three hundred twenty billion, one hundred million, three hundred three thousand, one hundred thirty-one".

Divisors: 1 1531 8047093601 12320100303131