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20331012003031 is a prime number
BaseRepresentation
bin1001001111101101011101…
…01111111001010011010111
32122222121220011221111221201
410213312232233321103113
510131100403033044111
6111123534334053331
74165603300435252
oct447665657712327
978877804844851
1020331012003031
11652937427a204
12234435294a247
13b4628b0580a2
14504051d9c099
15253cc9e216c1
hex127daebf94d7

20331012003031 has 2 divisors, whose sum is σ = 20331012003032. Its totient is φ = 20331012003030.

The previous prime is 20331012003019. The next prime is 20331012003037. The reversal of 20331012003031 is 13030021013302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20331012003031 - 241 = 18131988747479 is a prime.

It is a super-2 number, since 2×203310120030312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20331012003037) 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 as a sum of consecutive naturals, namely, 10165506001515 + 10165506001516.

It is an arithmetic number, because the mean of its divisors is an integer number (10165506001516).

Almost surely, 220331012003031 is an apocalyptic number.

20331012003031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20331012003031 is an equidigital number, since it uses as much as digits as its factorization.

20331012003031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20331012003031 its reverse (13030021013302), we get a palindrome (33361033016333).

The spelling of 20331012003031 in words is "twenty trillion, three hundred thirty-one billion, twelve million, three thousand, thirty-one".