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1111010111311 = 5601711983341
BaseRepresentation
bin10000001010101101010…
…111001110111101001111
310221012201012112101002011
4100022231113032331033
5121200322042030221
62210220242242051
7143160603062302
oct20125527167517
93835635471064
101111010111311
113991a4275641
1215b3a3056327
13809c9b33039
143bab784ab39
151dd7738b1e1
hex102ad5cef4f

1111010111311 has 4 divisors (see below), whose sum is σ = 1111012654824. Its totient is φ = 1111007567800.

The previous prime is 1111010111249. The next prime is 1111010111389. The reversal of 1111010111311 is 1131110101111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1111010111311 - 215 = 1111010078543 is a prime.

It is a super-2 number, since 2×11110101113112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111010111291 and 1111010111300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111010111411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431500 + ... + 1551841.

It is an arithmetic number, because the mean of its divisors is an integer number (277753163706).

Almost surely, 21111010111311 is an apocalyptic number.

1111010111311 is a deficient number, since it is larger than the sum of its proper divisors (2543513).

1111010111311 is an equidigital number, since it uses as much as digits as its factorization.

1111010111311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543512.

The product of its (nonzero) digits is 3, while the sum is 13.

Adding to 1111010111311 its reverse (1131110101111), we get a palindrome (2242120212422).

The spelling of 1111010111311 in words is "one trillion, one hundred eleven billion, ten million, one hundred eleven thousand, three hundred eleven".

Divisors: 1 560171 1983341 1111010111311