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310021300121 = 1383360779657
BaseRepresentation
bin1001000001011101011…
…01011001111110011001
31002122012220202211010212
410200232231121332121
520034410423100441
6354231040220505
731253421366641
oct4405655317631
91078186684125
10310021300121
1110a52aa3a415
125010160a735
13233090661b0
141101004b521
1580e7377eeb
hex482eb59f99

310021300121 has 16 divisors (see below), whose sum is σ = 337989531264. Its totient is φ = 282643703424.

The previous prime is 310021300097. The next prime is 310021300133. The reversal of 310021300121 is 121003120013.

It is a cyclic number.

It is not a de Polignac number, because 310021300121 - 226 = 309954191257 is a prime.

It is a super-2 number, since 2×3100213001212 (a number of 24 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 = 310021300096 and 310021300105.

It is not an unprimeable number, because it can be changed into a prime (310021300181) 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, 3852125 + ... + 3931781.

It is an arithmetic number, because the mean of its divisors is an integer number (21124345704).

Almost surely, 2310021300121 is an apocalyptic number.

It is an amenable number.

310021300121 is a deficient number, since it is larger than the sum of its proper divisors (27968231143).

310021300121 is a wasteful number, since it uses less digits than its factorization.

310021300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83360.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 310021300121 its reverse (121003120013), we get a palindrome (431024420134).

The spelling of 310021300121 in words is "three hundred ten billion, twenty-one million, three hundred thousand, one hundred twenty-one".

Divisors: 1 13 83 1079 3607 46891 79657 299381 1035541 3891953 6611531 85949903 287322799 3735196387 23847792317 310021300121