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1001310310331 = 19241516713093
BaseRepresentation
bin11101001001000101011…
…11101100111110111011
310112201120001000002100022
432210202233230332323
5112401140414412311
62043555015001055
7132225255130532
oct16444257547673
93481501002308
101001310310331
113567206254a1
1214208896918b
13735668a36b6
143666c48d319
151b0a67e15db
hexe922becfbb

1001310310331 has 24 divisors (see below), whose sum is σ = 1082852011584. Its totient is φ = 925223160960.

The previous prime is 1001310310267. The next prime is 1001310310367. The reversal of 1001310310331 is 1330130131001.

It is not a de Polignac number, because 1001310310331 - 26 = 1001310310267 is a prime.

It is a super-2 number, since 2×10013103103312 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001310310831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76470221 + ... + 76483313.

It is an arithmetic number, because the mean of its divisors is an integer number (45118833816).

Almost surely, 21001310310331 is an apocalyptic number.

1001310310331 is a deficient number, since it is larger than the sum of its proper divisors (81541701253).

1001310310331 is a wasteful number, since it uses less digits than its factorization.

1001310310331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18339 (or 18320 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 1001310310331 its reverse (1330130131001), we get a palindrome (2331440441332).

The spelling of 1001310310331 in words is "one trillion, one billion, three hundred ten million, three hundred ten thousand, three hundred thirty-one".

Divisors: 1 19 41 361 779 5167 13093 14801 98173 211847 248767 536813 1865287 4025093 4726573 10199447 67651531 76476767 193789493 1285379089 2773712771 24422202691 52700542649 1001310310331