Search a number
-
+
110121031231 = 1929199856681
BaseRepresentation
bin110011010001110111…
…0011001011000111111
3101112020112011000000021
41212203232121120333
53301011440444411
6122331111513011
710645621215121
oct1464356313077
9345215130007
10110121031231
114277a4a6722
1219413388767
13a4cc5c5313
1454892cb211
152ce7a53a71
hex19a3b9963f

110121031231 has 8 divisors (see below), whose sum is σ = 119914009200. Its totient is φ = 100727766720.

The previous prime is 110121031217. The next prime is 110121031249. The reversal of 110121031231 is 132130121011.

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 110121031231 - 213 = 110121023039 is a prime.

It is a super-2 number, since 2×1101210312312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121031201) 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, 99927790 + ... + 99928891.

It is an arithmetic number, because the mean of its divisors is an integer number (14989251150).

Almost surely, 2110121031231 is an apocalyptic number.

110121031231 is a deficient number, since it is larger than the sum of its proper divisors (9792977969).

110121031231 is a wasteful number, since it uses less digits than its factorization.

110121031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199856729.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 110121031231 its reverse (132130121011), we get a palindrome (242251152242).

The spelling of 110121031231 in words is "one hundred ten billion, one hundred twenty-one million, thirty-one thousand, two hundred thirty-one".

Divisors: 1 19 29 551 199856681 3797276939 5795843749 110121031231