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22103023131 = 3273471011071
BaseRepresentation
bin10100100101011100…
…010101111000011011
32010001101201220122100
4110211130111320123
5330231333220011
614053132254443
71411506411450
oct244534257033
963041656570
1022103023131
119412642472
12434a311423
1321132b3817
1410d971b827
158956cdd56
hex525715e1b

22103023131 has 24 divisors (see below), whose sum is σ = 36592717824. Its totient is φ = 12593887920.

The previous prime is 22103023123. The next prime is 22103023153. The reversal of 22103023131 is 13132030122.

It is not a de Polignac number, because 22103023131 - 23 = 22103023123 is a prime.

It is a super-2 number, since 2×221030231312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22103023181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483675 + ... + 527396.

It is an arithmetic number, because the mean of its divisors is an integer number (1524696576).

Almost surely, 222103023131 is an apocalyptic number.

22103023131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22103023131 is a deficient number, since it is larger than the sum of its proper divisors (14489694693).

22103023131 is a wasteful number, since it uses less digits than its factorization.

22103023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011431 (or 1011428 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22103023131 its reverse (13132030122), we get a palindrome (35235053253).

The spelling of 22103023131 in words is "twenty-two billion, one hundred three million, twenty-three thousand, one hundred thirty-one".

Divisors: 1 3 7 9 21 63 347 1041 2429 3123 7287 21861 1011071 3033213 7077497 9099639 21232491 63697473 350841637 1052524911 2455891459 3157574733 7367674377 22103023131