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13143413442031 = 67573919450429
BaseRepresentation
bin1011111101000011000001…
…1111010100010111101111
31201112111110002012020012121
42333100300133110113233
53210320202320121111
643542000100213411
72524403015631625
oct277206037242757
951474402166177
1013143413442031
1142080aa270404
12158334669a267
1374455979b6a2
14336204b1d515
1517bd54db8871
hexbf4307d45ef

13143413442031 has 4 divisors (see below), whose sum is σ = 13143433568200. Its totient is φ = 13143393315864.

The previous prime is 13143413441989. The next prime is 13143413442053. The reversal of 13143413442031 is 13024431434131.

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 13143413442031 - 27 = 13143413441903 is a prime.

It is a super-2 number, since 2×131434134420312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143413442431) 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, 9049476 + ... + 10400953.

It is an arithmetic number, because the mean of its divisors is an integer number (3285858392050).

Almost surely, 213143413442031 is an apocalyptic number.

13143413442031 is a deficient number, since it is larger than the sum of its proper divisors (20126169).

13143413442031 is an equidigital number, since it uses as much as digits as its factorization.

13143413442031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20126168.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 13143413442031 its reverse (13024431434131), we get a palindrome (26167844876162).

The spelling of 13143413442031 in words is "thirteen trillion, one hundred forty-three billion, four hundred thirteen million, four hundred forty-two thousand, thirty-one".

Divisors: 1 675739 19450429 13143413442031