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31113223123253 is a prime number
BaseRepresentation
bin1110001001100000111001…
…00111001011000100110101
311002011101200000101210020112
413010300130213023010311
513034224340104421003
6150101114542112405
76360566446663415
oct704603447130465
9132141600353215
1031113223123253
119a06053373287
1235a5b4b57b705
131448c6c8ab3bb
14797c60aa0645
1538e4d65a23d8
hex1c4c1c9cb135

31113223123253 has 2 divisors, whose sum is σ = 31113223123254. Its totient is φ = 31113223123252.

The previous prime is 31113223123219. The next prime is 31113223123271. The reversal of 31113223123253 is 35232132231113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30850548422929 + 262674700324 = 5554327^2 + 512518^2 .

It is an emirp because it is prime and its reverse (35232132231113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31113223123253 - 28 = 31113223122997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31113223123153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556611561626 + 15556611561627.

It is an arithmetic number, because the mean of its divisors is an integer number (15556611561627).

Almost surely, 231113223123253 is an apocalyptic number.

It is an amenable number.

31113223123253 is a deficient number, since it is larger than the sum of its proper divisors (1).

31113223123253 is an equidigital number, since it uses as much as digits as its factorization.

31113223123253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 32.

Adding to 31113223123253 its reverse (35232132231113), we get a palindrome (66345355354366).

The spelling of 31113223123253 in words is "thirty-one trillion, one hundred thirteen billion, two hundred twenty-three million, one hundred twenty-three thousand, two hundred fifty-three".