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1100113213 = 3135487523
BaseRepresentation
bin100000110010010…
…0110010100111101
32211200001112121211
41001210212110331
54223112110323
6301055124421
736155544103
oct10144462475
92750045554
101100113213
11514a92381
12268513711
13146bc0384
14a616bc73
15668a970d
hex4192653d

1100113213 has 4 divisors (see below), whose sum is σ = 1135600768. Its totient is φ = 1064625660.

The previous prime is 1100113211. The next prime is 1100113219. The reversal of 1100113213 is 3123110011.

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 1100113213 - 21 = 1100113211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100113193 and 1100113202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100113211) 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, 17743731 + ... + 17743792.

It is an arithmetic number, because the mean of its divisors is an integer number (283900192).

Almost surely, 21100113213 is an apocalyptic number.

It is an amenable number.

1100113213 is a deficient number, since it is larger than the sum of its proper divisors (35487555).

1100113213 is an equidigital number, since it uses as much as digits as its factorization.

1100113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35487554.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1100113213 is about 33167.9546098339. The cubic root of 1100113213 is about 1032.3155286441.

Adding to 1100113213 its reverse (3123110011), we get a palindrome (4223223224).

The spelling of 1100113213 in words is "one billion, one hundred million, one hundred thirteen thousand, two hundred thirteen".

Divisors: 1 31 35487523 1100113213