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13121131230103 = 131696359501137
BaseRepresentation
bin1011111011110000000001…
…0111011011001110010111
31201110100221012021120202011
42332330000113123032113
53204434034043330403
643523433043125051
72522653602150631
oct276740027331627
951410835246664
1013121131230103
1141a970556a826
12157ab68373787
137424183392c0
143350cd6b9a51
1517b49dae1a6d
hexbef005db397

13121131230103 has 8 divisors (see below), whose sum is σ = 14131282270448. Its totient is φ = 12111099225984.

The previous prime is 13121131230083. The next prime is 13121131230169. The reversal of 13121131230103 is 30103213112131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13121131230103 - 241 = 10922107974551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121131233103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29530050 + ... + 29971087.

It is an arithmetic number, because the mean of its divisors is an integer number (1766410283806).

Almost surely, 213121131230103 is an apocalyptic number.

13121131230103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13121131230103 is a deficient number, since it is larger than the sum of its proper divisors (1010151040345).

13121131230103 is a wasteful number, since it uses less digits than its factorization.

13121131230103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59518113.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13121131230103 its reverse (30103213112131), we get a palindrome (43224344342234).

The spelling of 13121131230103 in words is "thirteen trillion, one hundred twenty-one billion, one hundred thirty-one million, two hundred thirty thousand, one hundred three".

Divisors: 1 13 16963 220519 59501137 773514781 1009317786931 13121131230103