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31330232310101 is a prime number
BaseRepresentation
bin1110001111110101000110…
…10111100001100101010101
311002221010210202110200122012
413013322203113201211111
513101303303432410401
6150344524322114005
76412351235433434
oct707724327414525
9132833722420565
1031330232310101
119a8a0933a829a
1236200134ab905
131463574a8937a
147a4569b7311b
15394e87e158bb
hex1c7ea35e1955

31330232310101 has 2 divisors, whose sum is σ = 31330232310102. Its totient is φ = 31330232310100.

The previous prime is 31330232310077. The next prime is 31330232310119. The reversal of 31330232310101 is 10101323203313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19852603051876 + 11477629258225 = 4455626^2 + 3387865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31330232310101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31330232310191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15665116155050 + 15665116155051.

It is an arithmetic number, because the mean of its divisors is an integer number (15665116155051).

Almost surely, 231330232310101 is an apocalyptic number.

It is an amenable number.

31330232310101 is a deficient number, since it is larger than the sum of its proper divisors (1).

31330232310101 is an equidigital number, since it uses as much as digits as its factorization.

31330232310101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31330232310101 its reverse (10101323203313), we get a palindrome (41431555513414).

The spelling of 31330232310101 in words is "thirty-one trillion, three hundred thirty billion, two hundred thirty-two million, three hundred ten thousand, one hundred one".