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1311121311301 = 34721131788191
BaseRepresentation
bin10011000101000100111…
…010111000011001000101
311122100020022001121021201
4103011010322320121011
5132440134023430201
62442153143542501
7163503544156444
oct23050472703105
94570208047251
101311121311301
11466052887a5a
1219212ba5aa31
139683b1b7809
144765c5d6d5b
152418a478801
hex13144eb8645

1311121311301 has 8 divisors (see below), whose sum is σ = 1315522785024. Its totient is φ = 1306723418880.

The previous prime is 1311121311281. The next prime is 1311121311337. The reversal of 1311121311301 is 1031131211131.

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 1311121311301 - 27 = 1311121311173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311121311601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160885 + ... + 1627306.

It is an arithmetic number, because the mean of its divisors is an integer number (164440348128).

Almost surely, 21311121311301 is an apocalyptic number.

It is an amenable number.

1311121311301 is a deficient number, since it is larger than the sum of its proper divisors (4401473723).

1311121311301 is a wasteful number, since it uses less digits than its factorization.

1311121311301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790651.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 1311121311301 its reverse (1031131211131), we get a palindrome (2342252522432).

The spelling of 1311121311301 in words is "one trillion, three hundred eleven billion, one hundred twenty-one million, three hundred eleven thousand, three hundred one".

Divisors: 1 347 2113 733211 1788191 620502277 3778447583 1311121311301