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101023012231 = 443257988423
BaseRepresentation
bin101111000010101110…
…0001101010110000111
3100122202110121202012121
41132011130031112013
53123343342342411
6114224225430411
710204305302311
oct1360534152607
9318673552177
10101023012231
1139930947359
12176b449b407
1396ac74611b
144c64c7c7b1
152963e64571
hex178570d587

101023012231 has 8 divisors (see below), whose sum is σ = 101291460480. Its totient is φ = 100754746872.

The previous prime is 101023012163. The next prime is 101023012243. The reversal of 101023012231 is 132210320101.

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 101023012231 - 223 = 101014623623 is a prime.

It is a super-2 number, since 2×1010230122312 (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 (101023012931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1098286 + ... + 1186708.

It is an arithmetic number, because the mean of its divisors is an integer number (12661432560).

Almost surely, 2101023012231 is an apocalyptic number.

101023012231 is a deficient number, since it is larger than the sum of its proper divisors (268448249).

101023012231 is an equidigital number, since it uses as much as digits as its factorization.

101023012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91445.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101023012231 its reverse (132210320101), we get a palindrome (233233332332).

The spelling of 101023012231 in words is "one hundred one billion, twenty-three million, twelve thousand, two hundred thirty-one".

Divisors: 1 443 2579 88423 1142497 39171389 228042917 101023012231