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103010310221221 = 1317227418235353
BaseRepresentation
bin10111011010111111110100…
…111100101110110110100101
3111111201200121122002022101001
4113122333310330232312211
5102000210103404034341
61003030141102033301
730461151341631334
oct2732776474566645
9444650548068331
10103010310221221
112a905477712737
12b678108578831
134562aa49cc560
141b61a23141d1b
15bd980424dd31
hex5daff4f2eda5

103010310221221 has 12 divisors (see below), whose sum is σ = 117843575551492. Its totient is φ = 89493120188928.

The previous prime is 103010310221209. The next prime is 103010310221239. The reversal of 103010310221221 is 122122013010301.

It can be written as a sum of positive squares in 6 ways, for example, as 1633322340225 + 101376987880996 = 1278015^2 + 10068614^2 .

It is not a de Polignac number, because 103010310221221 - 215 = 103010310188453 is a prime.

It is a super-2 number, since 2×1030103102212212 (a number of 29 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 (103010310221251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13709113920 + ... + 13709121433.

Almost surely, 2103010310221221 is an apocalyptic number.

It is an amenable number.

103010310221221 is a deficient number, since it is larger than the sum of its proper divisors (14833265330271).

103010310221221 is a wasteful number, since it uses less digits than its factorization.

103010310221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27418235400 (or 27418235383 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 103010310221221 its reverse (122122013010301), we get a palindrome (225132323231522).

The spelling of 103010310221221 in words is "one hundred three trillion, ten billion, three hundred ten million, two hundred twenty-one thousand, two hundred twenty-one".

Divisors: 1 13 17 221 289 3757 27418235353 356437059589 466110001001 6059430013013 7923870017017 103010310221221