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112030312213 = 131855193223
BaseRepresentation
bin110100001010110000…
…1101110011100010101
3101201011120210112010201
41220111201232130111
53313414224442323
6123244354220501
711044133641021
oct1502541563425
9351146715121
10112030312213
114356a210796
1219866884731
13a745028391
1455caacd381
152daa4968ad
hex1a1586e715

112030312213 has 4 divisors (see below), whose sum is σ = 112885505568. Its totient is φ = 111175118860.

The previous prime is 112030312211. The next prime is 112030312241. The reversal of 112030312213 is 312213030211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312213030211 = 2910765966559.

It is a cyclic number.

It is not a de Polignac number, because 112030312213 - 21 = 112030312211 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 (112030312211) 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, 427596481 + ... + 427596742.

It is an arithmetic number, because the mean of its divisors is an integer number (28221376392).

Almost surely, 2112030312213 is an apocalyptic number.

It is an amenable number.

112030312213 is a deficient number, since it is larger than the sum of its proper divisors (855193355).

112030312213 is an equidigital number, since it uses as much as digits as its factorization.

112030312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855193354.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 112030312213 its reverse (312213030211), we get a palindrome (424243342424).

The spelling of 112030312213 in words is "one hundred twelve billion, thirty million, three hundred twelve thousand, two hundred thirteen".

Divisors: 1 131 855193223 112030312213