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22203011031 = 383831110729
BaseRepresentation
bin10100101011011001…
…110000111111010111
32010022100212211020220
4110223121300333113
5330432432323111
614111103325423
71414132323405
oct245331607727
963270784226
1022203011031
1194640258a3
1243778b0873
13212ac21966
141108b08475
1589e37ee06
hex52b670fd7

22203011031 has 16 divisors (see below), whose sum is σ = 29967087360. Its totient is φ = 14620547520.

The previous prime is 22203011011. The next prime is 22203011057. The reversal of 22203011031 is 13011030222.

It is not a de Polignac number, because 22203011031 - 213 = 22203002839 is a prime.

It is a super-2 number, since 2×222030110312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22203011031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22203011011) 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, 2064075 + ... + 2074803.

It is an arithmetic number, because the mean of its divisors is an integer number (1872942960).

Almost surely, 222203011031 is an apocalyptic number.

22203011031 is a deficient number, since it is larger than the sum of its proper divisors (7764076329).

22203011031 is a wasteful number, since it uses less digits than its factorization.

22203011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19126.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22203011031 its reverse (13011030222), we get a palindrome (35214041253).

The spelling of 22203011031 in words is "twenty-two billion, two hundred three million, eleven thousand, thirty-one".

Divisors: 1 3 83 249 8311 10729 24933 32187 689813 890507 2069439 2671521 89168719 267506157 7401003677 22203011031