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121231003302113 = 131925427506123
BaseRepresentation
bin11011100100001001001010…
…111000110011100011100001
3120220020120102001200002001112
4123210021022320303203201
5111342222043321131423
61105500430513513105
734351436163462125
oct3344111270634341
9526216361602045
10121231003302113
113569a863973031
121171b469872795
13528505ac01953
1421d187cd6d585
15e0376b09ea78
hex6e424ae338e1

121231003302113 has 4 divisors (see below), whose sum is σ = 122156430808368. Its totient is φ = 120305575795860.

The previous prime is 121231003302067. The next prime is 121231003302169. The reversal of 121231003302113 is 311203300132121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121231003302113 - 26 = 121231003302049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121231003302193) 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, 462713752931 + ... + 462713753192.

It is an arithmetic number, because the mean of its divisors is an integer number (30539107702092).

Almost surely, 2121231003302113 is an apocalyptic number.

It is an amenable number.

121231003302113 is a deficient number, since it is larger than the sum of its proper divisors (925427506255).

121231003302113 is an equidigital number, since it uses as much as digits as its factorization.

121231003302113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925427506254.

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

Adding to 121231003302113 its reverse (311203300132121), we get a palindrome (432434303434234).

The spelling of 121231003302113 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, three million, three hundred two thousand, one hundred thirteen".

Divisors: 1 131 925427506123 121231003302113