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11102031001 = 13278366263
BaseRepresentation
bin10100101011011101…
…11000110010011001
31001122201102121110101
422111232320302121
5140214104443001
65033351015401
7542055464215
oct122556706231
931581377411
1011102031001
114787897236
12219a06a561
13107c0cc719
1477466d945
1544e9e5a01
hex295bb8c99

11102031001 has 4 divisors (see below), whose sum is σ = 11110398592. Its totient is φ = 11093663412.

The previous prime is 11102030959. The next prime is 11102031007. The reversal of 11102031001 is 10013020111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11102031001 - 213 = 11102022809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11102031007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4181805 + ... + 4184458.

It is an arithmetic number, because the mean of its divisors is an integer number (2777599648).

Almost surely, 211102031001 is an apocalyptic number.

It is an amenable number.

11102031001 is a deficient number, since it is larger than the sum of its proper divisors (8367591).

11102031001 is an equidigital number, since it uses as much as digits as its factorization.

11102031001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8367590.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 11102031001 its reverse (10013020111), we get a palindrome (21115051112).

The spelling of 11102031001 in words is "eleven billion, one hundred two million, thirty-one thousand, one".

Divisors: 1 1327 8366263 11102031001