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22113002031 = 358712557071
BaseRepresentation
bin10100100110000010…
…011010001000101111
32010002002111220010020
4110212002122020233
5330241412031111
614054130213223
71411660262451
oct244602321057
963062456106
1022113002031
11941823879a
124351724213
1321153988b3
1410dab982d1
15896500906
hex52609a22f

22113002031 has 8 divisors (see below), whose sum is σ = 29534233344. Its totient is φ = 14716886040.

The previous prime is 22113002003. The next prime is 22113002039. The reversal of 22113002031 is 13020031122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22113002031 - 219 = 22112477743 is a prime.

It is a super-2 number, since 2×221130020312 (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 22113002031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113002039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6276775 + ... + 6280296.

It is an arithmetic number, because the mean of its divisors is an integer number (3691779168).

Almost surely, 222113002031 is an apocalyptic number.

22113002031 is a deficient number, since it is larger than the sum of its proper divisors (7421231313).

22113002031 is a wasteful number, since it uses less digits than its factorization.

22113002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12557661.

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

Adding to 22113002031 its reverse (13020031122), we get a palindrome (35133033153).

The spelling of 22113002031 in words is "twenty-two billion, one hundred thirteen million, two thousand, thirty-one".

Divisors: 1 3 587 1761 12557071 37671213 7371000677 22113002031