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13100123212331 is a prime number
BaseRepresentation
bin1011111010100001110000…
…1100001100101000101011
31201101100201002222201001212
42332220130030030220223
53204113023020243311
643510040304303335
72521311160020461
oct276503414145053
951340632881055
1013100123212331
1141a0805041071
121576a84911b4b
1374044ab77c5c
1433409959a831
1517ab6e60dc8b
hexbea1c30ca2b

13100123212331 has 2 divisors, whose sum is σ = 13100123212332. Its totient is φ = 13100123212330.

The previous prime is 13100123212277. The next prime is 13100123212427. The reversal of 13100123212331 is 13321232100131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13100123212331 - 222 = 13100119018027 is a prime.

It is a super-2 number, since 2×131001232123312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13100123212297 and 13100123212306.

It is not a weakly prime, because it can be changed into another prime (13100123212031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6550061606165 + 6550061606166.

It is an arithmetic number, because the mean of its divisors is an integer number (6550061606166).

Almost surely, 213100123212331 is an apocalyptic number.

13100123212331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13100123212331 is an equidigital number, since it uses as much as digits as its factorization.

13100123212331 is an odious number, because the sum of its binary digits is odd.

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

Adding to 13100123212331 its reverse (13321232100131), we get a palindrome (26421355312462).

The spelling of 13100123212331 in words is "thirteen trillion, one hundred billion, one hundred twenty-three million, two hundred twelve thousand, three hundred thirty-one".