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22103023031 = 593135872039
BaseRepresentation
bin10100100101011100…
…010101110110110111
32010001101201220111122
4110211130111312313
5330231333214111
614053132254155
71411506411245
oct244534256667
963041656448
1022103023031
119412642391
12434a31135b
1321132b376b
1410d971b795
158956cdcdb
hex525715db7

22103023031 has 16 divisors (see below), whose sum is σ = 22598956800. Its totient is φ = 21611473728.

The previous prime is 22103023027. The next prime is 22103023073. The reversal of 22103023031 is 13032030122.

It is a cyclic number.

It is not a de Polignac number, because 22103023031 - 22 = 22103023027 is a prime.

It is a super-2 number, since 2×221030230312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103023021) 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, 10839110 + ... + 10841148.

It is an arithmetic number, because the mean of its divisors is an integer number (1412434800).

Almost surely, 222103023031 is an apocalyptic number.

22103023031 is a deficient number, since it is larger than the sum of its proper divisors (495933769).

22103023031 is a wasteful number, since it uses less digits than its factorization.

22103023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 22103023031 its reverse (13032030122), we get a palindrome (35135053153).

The spelling of 22103023031 in words is "twenty-two billion, one hundred three million, twenty-three thousand, thirty-one".

Divisors: 1 59 313 587 2039 18467 34633 120301 183731 638207 1196893 10840129 37654213 70616687 374627509 22103023031