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13203323002031 = 1719327891246673
BaseRepresentation
bin1100000000100010001101…
…1000001001110010101111
31201202020002021121012121012
43000020203120021302233
53212310401142031111
644025304534055435
72531623436532101
oct300104330116257
951666067535535
1013203323002031
114230552696568
121592a861aa57b
1374a0b6581586
1433908958d571
1517d6ae70448b
hexc0223609caf

13203323002031 has 16 divisors (see below), whose sum is σ = 14716238565600. Its totient is φ = 11772253882368.

The previous prime is 13203323002019. The next prime is 13203323002039. The reversal of 13203323002031 is 13020032330231.

It is a cyclic number.

It is not a de Polignac number, because 13203323002031 - 214 = 13203322985647 is a prime.

It is a super-2 number, since 2×132033230020312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13203323001988 and 13203323002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13203323002039) 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, 9967511 + ... + 11214183.

It is an arithmetic number, because the mean of its divisors is an integer number (919764910350).

Almost surely, 213203323002031 is an apocalyptic number.

13203323002031 is a deficient number, since it is larger than the sum of its proper divisors (1512915563569).

13203323002031 is a wasteful number, since it uses less digits than its factorization.

13203323002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279498.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13203323002031 its reverse (13020032330231), we get a palindrome (26223355332262).

The spelling of 13203323002031 in words is "thirteen trillion, two hundred three billion, three hundred twenty-three million, two thousand, thirty-one".

Divisors: 1 17 19 323 32789 557413 622991 1246673 10590847 21193441 23686787 402675379 40877160997 694911736949 776666058943 13203323002031