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22525311031 is a prime number
BaseRepresentation
bin10100111110100111…
…001111100000110111
32011010211100100201221
4110332213033200313
5332112434423111
614203055331211
71425124661506
oct247647174067
964124310657
1022525311031
119609a50633
124447820b07
13217c929a12
14113984483d
158bc7e6371
hex53e9cf837

22525311031 has 2 divisors, whose sum is σ = 22525311032. Its totient is φ = 22525311030.

The previous prime is 22525311019. The next prime is 22525311089. The reversal of 22525311031 is 13011352522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22525311031 - 215 = 22525278263 is a prime.

It is a super-2 number, since 2×225253110312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22525310987 and 22525311005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22525311331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11262655515 + 11262655516.

It is an arithmetic number, because the mean of its divisors is an integer number (11262655516).

Almost surely, 222525311031 is an apocalyptic number.

22525311031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22525311031 is an equidigital number, since it uses as much as digits as its factorization.

22525311031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 22525311031 its reverse (13011352522), we get a palindrome (35536663553).

The spelling of 22525311031 in words is "twenty-two billion, five hundred twenty-five million, three hundred eleven thousand, thirty-one".