Search a number
-
+
111310102031 = 6111031654357
BaseRepresentation
bin110011110101010011…
…0010101111000001111
3101122022101121001111112
41213222212111320033
53310430341231111
6123045105442235
711020240153622
oct1475246257017
9348271531445
10111310102031
114322a718167
12196a564037b
13a65ba60ccb
14555d1b3db9
152d67130e8b
hex19ea995e0f

111310102031 has 8 divisors (see below), whose sum is σ = 113237496384. Its totient is φ = 109386018720.

The previous prime is 111310102009. The next prime is 111310102093. The reversal of 111310102031 is 130201013111.

It is a happy number.

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 111310102031 - 226 = 111242993167 is a prime.

It is a super-2 number, since 2×1113101020312 (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 = 111310101997 and 111310102015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111310102931) 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, 759896 + ... + 894461.

It is an arithmetic number, because the mean of its divisors is an integer number (14154687048).

Almost surely, 2111310102031 is an apocalyptic number.

111310102031 is a deficient number, since it is larger than the sum of its proper divisors (1927394353).

111310102031 is a wasteful number, since it uses less digits than its factorization.

111310102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655521.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111310102031 its reverse (130201013111), we get a palindrome (241511115142).

The spelling of 111310102031 in words is "one hundred eleven billion, three hundred ten million, one hundred two thousand, thirty-one".

Divisors: 1 61 1103 67283 1654357 100915777 1824755771 111310102031