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111302312213 = 379293673647
BaseRepresentation
bin110011110101000100…
…0101000000100010101
3101122021211221021212202
41213222020220010111
53310421342442323
6123044230454245
711020114021031
oct1475210500425
9348254837782
10111302312213
11432262875a4
12196a2b04385
13a65a264451
14555c1471c1
152d665e2d28
hex19ea228115

111302312213 has 4 divisors (see below), whose sum is σ = 111595986240. Its totient is φ = 111008638188.

The previous prime is 111302312197. The next prime is 111302312267. The reversal of 111302312213 is 312213203111.

It is a happy number.

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 111302312213 - 24 = 111302312197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111302312813) 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, 146836445 + ... + 146837202.

It is an arithmetic number, because the mean of its divisors is an integer number (27898996560).

Almost surely, 2111302312213 is an apocalyptic number.

It is an amenable number.

111302312213 is a deficient number, since it is larger than the sum of its proper divisors (293674027).

111302312213 is an equidigital number, since it uses as much as digits as its factorization.

111302312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293674026.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111302312213 its reverse (312213203111), we get a palindrome (423515515324).

The spelling of 111302312213 in words is "one hundred eleven billion, three hundred two million, three hundred twelve thousand, two hundred thirteen".

Divisors: 1 379 293673647 111302312213