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12431213013043 = 116182632242091
BaseRepresentation
bin1011010011100101111000…
…0010010010100000110011
31122000102010121102211020101
42310321132002102200303
53112133111012404133
642234453113253231
72422061022106366
oct264713602224063
948012117384211
1012431213013043
113a63058734950
121489304104217
136c23487c25c6
1430d9613460dd
1516856eb9e37d
hexb4e5e092833

12431213013043 has 16 divisors (see below), whose sum is σ = 13785314326272. Its totient is φ = 11114488548000.

The previous prime is 12431213013041. The next prime is 12431213013053. The reversal of 12431213013043 is 34031031213421.

It is a cyclic number.

It is not a de Polignac number, because 12431213013043 - 21 = 12431213013041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12431213013041) 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, 4423428 + ... + 6665518.

It is an arithmetic number, because the mean of its divisors is an integer number (861582145392).

Almost surely, 212431213013043 is an apocalyptic number.

12431213013043 is a deficient number, since it is larger than the sum of its proper divisors (1354101313229).

12431213013043 is a wasteful number, since it uses less digits than its factorization.

12431213013043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250426.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 12431213013043 its reverse (34031031213421), we get a palindrome (46462244226464).

The spelling of 12431213013043 in words is "twelve trillion, four hundred thirty-one billion, two hundred thirteen million, thirteen thousand, forty-three".

Divisors: 1 11 61 671 8263 90893 504043 2242091 5544473 24663001 136767551 1504443061 18526397933 203790377263 1130110273913 12431213013043