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22133121031 = 77944239049
BaseRepresentation
bin10100100111001111…
…001010000000000111
32010010111101001012101
4110213033022000013
5330312034333111
614100125332531
71412323265440
oct244717120007
963114331171
1022133121031
11942862a46a
124358407147
1321195c1228
1410dd7142c7
15898176bc1
hex5273ca007

22133121031 has 16 divisors (see below), whose sum is σ = 25623808000. Its totient is φ = 18724799808.

The previous prime is 22133121011. The next prime is 22133121037. The reversal of 22133121031 is 13012133122.

It is a cyclic number.

It is not a de Polignac number, because 22133121031 - 213 = 22133112839 is a prime.

It is a super-2 number, since 2×221331210312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133121037) 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, 2441395 + ... + 2450443.

It is an arithmetic number, because the mean of its divisors is an integer number (1601488000).

Almost surely, 222133121031 is an apocalyptic number.

22133121031 is a deficient number, since it is larger than the sum of its proper divisors (3490686969).

22133121031 is an equidigital number, since it uses as much as digits as its factorization.

22133121031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13558.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22133121031 its reverse (13012133122), we get a palindrome (35145254153).

The spelling of 22133121031 in words is "twenty-two billion, one hundred thirty-three million, one hundred twenty-one thousand, thirty-one".

Divisors: 1 7 79 553 4423 9049 30961 63343 349417 714871 2445919 5004097 40023727 280166089 3161874433 22133121031