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1011031031011 = 8872833402341
BaseRepresentation
bin11101011011001100010…
…01010011110011100011
310120122122111020212021011
432231212021103303203
5113031042420443021
62052243343441351
7133021201653211
oct16554611236343
93518574225234
101011031031011
1135a859728851
12143b402b6257
1374455769521
1436d114b3cb1
151b474dd4de1
hexeb66253ce3

1011031031011 has 8 divisors (see below), whose sum is σ = 1012530658464. Its totient is φ = 1009532215680.

The previous prime is 1011031031009. The next prime is 1011031031069. The reversal of 1011031031011 is 1101301301101.

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 1011031031011 - 21 = 1011031031009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011031030982 and 1011031031000.

It is not an unprimeable number, because it can be changed into a prime (1011031038011) 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, 2311701 + ... + 2714041.

It is an arithmetic number, because the mean of its divisors is an integer number (126566332308).

Almost surely, 21011031031011 is an apocalyptic number.

1011031031011 is a deficient number, since it is larger than the sum of its proper divisors (1499627453).

1011031031011 is an equidigital number, since it uses as much as digits as its factorization.

1011031031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406061.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 1011031031011 its reverse (1101301301101), we get a palindrome (2112332332112).

The spelling of 1011031031011 in words is "one trillion, eleven billion, thirty-one million, thirty-one thousand, eleven".

Divisors: 1 887 2833 402341 2512871 356876467 1139832053 1011031031011