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31474553101 is a prime number
BaseRepresentation
bin11101010100000001…
…111001000100001101
310000020111220221221221
4131110001321010031
51003424441144401
622243104523341
72162653200325
oct352401710415
9100214827857
1031474553101
1112391623662
126124920551
132c77a17924
141748206285
15c432e87a1
hex75407910d

31474553101 has 2 divisors, whose sum is σ = 31474553102. Its totient is φ = 31474553100.

The previous prime is 31474553069. The next prime is 31474553111. The reversal of 31474553101 is 10135547413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22968918025 + 8505635076 = 151555^2 + 92226^2 .

It is an emirp because it is prime and its reverse (10135547413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31474553101 - 25 = 31474553069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31474553111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15737276550 + 15737276551.

It is an arithmetic number, because the mean of its divisors is an integer number (15737276551).

Almost surely, 231474553101 is an apocalyptic number.

It is an amenable number.

31474553101 is a deficient number, since it is larger than the sum of its proper divisors (1).

31474553101 is an equidigital number, since it uses as much as digits as its factorization.

31474553101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 31474553101 in words is "thirty-one billion, four hundred seventy-four million, five hundred fifty-three thousand, one hundred one".