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112020330031 = 1811987311473
BaseRepresentation
bin110100001010011101…
…1101001011000101111
3101201010220000101011021
41220110323221120233
53313404201030111
6123243400235011
711043653044321
oct1502473513057
9351126011137
10112020330031
1143564612a55
121986346ba67
13a742c4196c
1455c9651611
152da9673d71
hex1a14ee962f

112020330031 has 8 divisors (see below), whose sum is σ = 112696276784. Its totient is φ = 111345010560.

The previous prime is 112020330001. The next prime is 112020330041. The reversal of 112020330031 is 130033020211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112020330031 - 235 = 77660591663 is a prime.

It is a super-2 number, since 2×1120203300312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112020329987 and 112020330014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020330001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203911 + ... + 515383.

It is an arithmetic number, because the mean of its divisors is an integer number (14087034598).

Almost surely, 2112020330031 is an apocalyptic number.

112020330031 is a deficient number, since it is larger than the sum of its proper divisors (675946753).

112020330031 is a wasteful number, since it uses less digits than its factorization.

112020330031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313641.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 112020330031 its reverse (130033020211), we get a palindrome (242053350242).

The spelling of 112020330031 in words is "one hundred twelve billion, twenty million, three hundred thirty thousand, thirty-one".

Divisors: 1 181 1987 311473 359647 56376613 618896851 112020330031