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31240210073141 is a prime number
BaseRepresentation
bin1110001101001101011011…
…00111111100011000110101
311002121112102221202020010202
413012212231213330120311
513043314422234320031
6150235315425130245
76403013346153206
oct706465547743065
9132545387666122
1031240210073141
119a54998179253
12360668b189985
131457c2947c734
147a0069d275ad
15392969b452cb
hex1c69ad9fc635

31240210073141 has 2 divisors, whose sum is σ = 31240210073142. Its totient is φ = 31240210073140.

The previous prime is 31240210073087. The next prime is 31240210073183. The reversal of 31240210073141 is 14137001204213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26144711976100 + 5095498097041 = 5113190^2 + 2257321^2 .

It is a cyclic number.

It is not a de Polignac number, because 31240210073141 - 26 = 31240210073077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31240210573141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15620105036570 + 15620105036571.

It is an arithmetic number, because the mean of its divisors is an integer number (15620105036571).

Almost surely, 231240210073141 is an apocalyptic number.

It is an amenable number.

31240210073141 is a deficient number, since it is larger than the sum of its proper divisors (1).

31240210073141 is an equidigital number, since it uses as much as digits as its factorization.

31240210073141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 31240210073141 its reverse (14137001204213), we get a palindrome (45377211277354).

The spelling of 31240210073141 in words is "thirty-one trillion, two hundred forty billion, two hundred ten million, seventy-three thousand, one hundred forty-one".