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13131023110403 = 114878392921561
BaseRepresentation
bin1011111100010100110111…
…1101111101000100000011
31201111022110120121011112012
42333011031331331010003
53210114313404013103
643532150404323135
72523453664562042
oct277051575750403
951438416534465
1013131023110403
114202921247910
121580a690a34ab
137433337cc203
1433578b336559
1517b87c2442d8
hexbf14df7d103

13131023110403 has 16 divisors (see below), whose sum is σ = 14371280340480. Its totient is φ = 11898578980800.

The previous prime is 13131023110369. The next prime is 13131023110423. The reversal of 13131023110403 is 30401132013131.

It is a cyclic number.

It is not a de Polignac number, because 13131023110403 - 214 = 13131023094019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131023110423) 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, 3033743 + ... + 5955303.

It is an arithmetic number, because the mean of its divisors is an integer number (898205021280).

Almost surely, 213131023110403 is an apocalyptic number.

13131023110403 is a deficient number, since it is larger than the sum of its proper divisors (1240257230077).

13131023110403 is a wasteful number, since it uses less digits than its factorization.

13131023110403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922898.

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

Adding to 13131023110403 its reverse (30401132013131), we get a palindrome (43532155123534).

The spelling of 13131023110403 in words is "thirteen trillion, one hundred thirty-one billion, twenty-three million, one hundred ten thousand, four hundred three".

Divisors: 1 11 487 839 5357 9229 408593 2921561 4494523 32137171 1422800207 2451189679 15650802277 26963086469 1193729373673 13131023110403