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13121122030231 = 414095693137443
BaseRepresentation
bin1011111011101111111111…
…0100010101001010010111
31201110100220112222011220011
42332323333310111022113
53204434024214431411
643523432114021051
72522653431023065
oct276737764251227
951410815864804
1013121122030231
1141a9700356826
12157ab65277787
137424164679a7
143350cc3a3035
1517b49cdc5c21
hexbeeffd15297

13121122030231 has 16 divisors (see below), whose sum is σ = 13476477661920. Its totient is φ = 12767460180480.

The previous prime is 13121122030217. The next prime is 13121122030243. The reversal of 13121122030231 is 13203022112131.

It is a cyclic number.

It is not a de Polignac number, because 13121122030231 - 215 = 13121121997463 is a prime.

It is a super-2 number, since 2×131211220302312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121122030631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95397196 + ... + 95534638.

It is an arithmetic number, because the mean of its divisors is an integer number (842279853870).

Almost surely, 213121122030231 is an apocalyptic number.

13121122030231 is a deficient number, since it is larger than the sum of its proper divisors (355355631689).

13121122030231 is a wasteful number, since it uses less digits than its factorization.

13121122030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143586.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13121122030231 its reverse (13203022112131), we get a palindrome (26324144142362).

The spelling of 13121122030231 in words is "thirteen trillion, one hundred twenty-one billion, one hundred twenty-two million, thirty thousand, two hundred thirty-one".

Divisors: 1 41 409 5693 16769 137443 233413 2328437 5635163 56214187 95465917 782462999 2304781667 32080982959 320027366591 13121122030231