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350220131031 = 31812772328421
BaseRepresentation
bin1010001100010101011…
…11110001101011010111
31020110222102222000101010
411012022233301223113
521214222323143111
6424520000503303
734205531665461
oct5061257615327
91213872860333
10350220131031
11125589152021
1257a6001ab33
1327044383884
1412d44bb5131
15919b537aa6
hex518abf1ad7

350220131031 has 16 divisors (see below), whose sum is σ = 471235358048. Its totient is φ = 231351811200.

The previous prime is 350220130979. The next prime is 350220131099. The reversal of 350220131031 is 130131022053.

It is not a de Polignac number, because 350220131031 - 231 = 348072647383 is a prime.

It is a super-2 number, since 2×3502201310312 (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 = 350220130989 and 350220131007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350220131731) 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, 1013800 + ... + 1314621.

It is an arithmetic number, because the mean of its divisors is an integer number (29452209878).

Almost surely, 2350220131031 is an apocalyptic number.

350220131031 is a deficient number, since it is larger than the sum of its proper divisors (121015227017).

350220131031 is a wasteful number, since it uses less digits than its factorization.

350220131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328882.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 350220131031 its reverse (130131022053), we get a palindrome (480351153084).

The spelling of 350220131031 in words is "three hundred fifty billion, two hundred twenty million, one hundred thirty-one thousand, thirty-one".

Divisors: 1 3 181 277 543 831 50137 150411 2328421 6985263 421444201 644972617 1264332603 1934917851 116740043677 350220131031