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1031103111301 is a prime number
BaseRepresentation
bin11110000000100101000…
…10001110000010000101
310122120110100102012002021
433000102202032002011
5113343144344030201
62105403210043141
7134331460556554
oct17002242160205
93576410365067
101031103111301
1136831990985a
12147a024194b1
1376304060803
1437c9719dd9b
151bc4c13cea1
hexf01288e085

1031103111301 has 2 divisors, whose sum is σ = 1031103111302. Its totient is φ = 1031103111300.

The previous prime is 1031103111287. The next prime is 1031103111347. The reversal of 1031103111301 is 1031113011301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 896524922500 + 134578188801 = 946850^2 + 366849^2 .

It is an emirp because it is prime and its reverse (1031113011301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1031103111301 - 29 = 1031103110789 is a prime.

It is a super-2 number, since 2×10311031113012 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031103111601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515551555650 + 515551555651.

It is an arithmetic number, because the mean of its divisors is an integer number (515551555651).

Almost surely, 21031103111301 is an apocalyptic number.

It is an amenable number.

1031103111301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031103111301 is an equidigital number, since it uses as much as digits as its factorization.

1031103111301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 1031103111301 its reverse (1031113011301), we get a palindrome (2062216122602).

The spelling of 1031103111301 in words is "one trillion, thirty-one billion, one hundred three million, one hundred eleven thousand, three hundred one".