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31302010331123 = 743364157160969
BaseRepresentation
bin1110001111000000100010…
…01101001101111111110011
311002211102221220211121120112
413013200101031031333303
513100323004121043443
6150323540043131535
76410331665531360
oct707402115157763
9132742856747515
1031302010331123
119a79120876824
123616657b13bab
1314609c7b8a21c
147a304d91d467
15394385452b18
hex1c781134dff3

31302010331123 has 16 divisors (see below), whose sum is σ = 35857126038720. Its totient is φ = 26767747316736.

The previous prime is 31302010331099. The next prime is 31302010331173. The reversal of 31302010331123 is 32113301020313.

It is a cyclic number.

It is not a de Polignac number, because 31302010331123 - 28 = 31302010330867 is a prime.

It is a super-2 number, since 2×313020103311232 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31302010331173) 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, 194379383 + ... + 194540351.

It is an arithmetic number, because the mean of its divisors is an integer number (2241070377420).

Almost surely, 231302010331123 is an apocalyptic number.

31302010331123 is a deficient number, since it is larger than the sum of its proper divisors (4555115707597).

31302010331123 is a wasteful number, since it uses less digits than its factorization.

31302010331123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225566.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31302010331123 its reverse (32113301020313), we get a palindrome (63415311351436).

The spelling of 31302010331123 in words is "thirty-one trillion, three hundred two billion, ten million, three hundred thirty-one thousand, one hundred twenty-three".

Divisors: 1 7 433 3031 64157 160969 449099 1126783 27779981 69699577 194459867 487897039 10327288133 72291016931 4471715761589 31302010331123