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1101103023031 = 11378930397897
BaseRepresentation
bin10000000001011110110…
…110101100001110110111
310220021010202121010212121
4100001132312230032313
5121020024333214111
62201501215100411
7142360234161064
oct20013666541667
93807122533777
101101103023031
11394a7aa50580
12159499211707
137caab476c1b
143b417b91c6b
151d997732871
hex1005edac3b7

1101103023031 has 16 divisors (see below), whose sum is σ = 1247529733920. Its totient is φ = 963005345280.

The previous prime is 1101103023001. The next prime is 1101103023079. The reversal of 1101103023031 is 1303203011011.

It is not a de Polignac number, because 1101103023031 - 29 = 1101103022519 is a prime.

It is a super-2 number, since 2×11011030230312 (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 = 1101103022996 and 1101103023014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101103023001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15162726 + ... + 15235171.

It is an arithmetic number, because the mean of its divisors is an integer number (77970608370).

Almost surely, 21101103023031 is an apocalyptic number.

1101103023031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101103023031 is a deficient number, since it is larger than the sum of its proper divisors (146426710889).

1101103023031 is a wasteful number, since it uses less digits than its factorization.

1101103023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30398034.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1101103023031 its reverse (1303203011011), we get a palindrome (2404306034042).

The spelling of 1101103023031 in words is "one trillion, one hundred one billion, one hundred three million, twenty-three thousand, thirty-one".

Divisors: 1 11 37 89 407 979 3293 36223 30397897 334376867 1124722189 2705412833 12371944079 29759541163 100100274821 1101103023031