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112131231323 = 208753728429
BaseRepresentation
bin110100001101110001…
…0101100111001011011
3101201102121200202010112
41220123202230321123
53314121043400243
6123302401234535
711046500511566
oct1503342547133
9351377622115
10112131231323
114361117a811
1219894632a4b
13a75cc01327
1455da27d4dd
152db427d818
hex1a1b8ace5b

112131231323 has 4 divisors (see below), whose sum is σ = 112184961840. Its totient is φ = 112077500808.

The previous prime is 112131231281. The next prime is 112131231341. The reversal of 112131231323 is 323132131211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112131231323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112131131323) 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, 26862128 + ... + 26866301.

It is an arithmetic number, because the mean of its divisors is an integer number (28046240460).

Almost surely, 2112131231323 is an apocalyptic number.

112131231323 is a deficient number, since it is larger than the sum of its proper divisors (53730517).

112131231323 is an equidigital number, since it uses as much as digits as its factorization.

112131231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53730516.

The product of its digits is 648, while the sum is 23.

Adding to 112131231323 its reverse (323132131211), we get a palindrome (435263362534).

The spelling of 112131231323 in words is "one hundred twelve billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred twenty-three".

Divisors: 1 2087 53728429 112131231323