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103031112311173 is a prime number
BaseRepresentation
bin10111011011010011001100…
…110110011010000110000101
3111111210200022100212222012001
4113123103030312122012011
5102001030204222424143
61003043501203025301
730462516003525034
oct2733231466320605
9444720270788161
10103031112311173
112a91328197a812
12b68015306b231
134564a3b60c417
141b62a37b7871b
15bda12060614d
hex5db4ccd9a185

103031112311173 has 2 divisors, whose sum is σ = 103031112311174. Its totient is φ = 103031112311172.

The previous prime is 103031112311093. The next prime is 103031112311201. The reversal of 103031112311173 is 371113211130301.

It is an a-pointer prime, because the next prime (103031112311201) can be obtained adding 103031112311173 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102523259392129 + 507852919044 = 10125377^2 + 712638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103031112311173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103031119311173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51515556155586 + 51515556155587.

It is an arithmetic number, because the mean of its divisors is an integer number (51515556155587).

Almost surely, 2103031112311173 is an apocalyptic number.

It is an amenable number.

103031112311173 is a deficient number, since it is larger than the sum of its proper divisors (1).

103031112311173 is an equidigital number, since it uses as much as digits as its factorization.

103031112311173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

Adding to 103031112311173 its reverse (371113211130301), we get a palindrome (474144323441474).

The spelling of 103031112311173 in words is "one hundred three trillion, thirty-one billion, one hundred twelve million, three hundred eleven thousand, one hundred seventy-three".