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1311101301131 = 23257221807021
BaseRepresentation
bin10011000101000011101…
…110100011000110001011
311122100011220101222111022
4103011003232203012023
5132440113413114011
62442151151023055
7163503212115656
oct23050356430613
94570156358438
101311101301131
11466042560026
1219212520aa8b
1396836ccc88b
1447659aa889d
15241888248db
hex13143ba318b

1311101301131 has 8 divisors (see below), whose sum is σ = 1373429080224. Its totient is φ = 1249217136640.

The previous prime is 1311101301127. The next prime is 1311101301187. The reversal of 1311101301131 is 1311031011131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311101301131 - 22 = 1311101301127 is a prime.

It is a super-2 number, since 2×13111013011312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311101301931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110897600 + ... + 110909421.

It is an arithmetic number, because the mean of its divisors is an integer number (171678635028).

Almost surely, 21311101301131 is an apocalyptic number.

1311101301131 is a deficient number, since it is larger than the sum of its proper divisors (62327779093).

1311101301131 is a wasteful number, since it uses less digits than its factorization.

1311101301131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221807301.

The product of its (nonzero) digits is 27, while the sum is 17.

Adding to 1311101301131 its reverse (1311031011131), we get a palindrome (2622132312262).

The spelling of 1311101301131 in words is "one trillion, three hundred eleven billion, one hundred one million, three hundred one thousand, one hundred thirty-one".

Divisors: 1 23 257 5911 221807021 5101561483 57004404397 1311101301131