Search a number
-
+
10101032231 = 35051288181
BaseRepresentation
bin10010110100001000…
…11000010100100111
3222001221212121021212
421122010120110213
5131141331012411
64350152102035
7505212233363
oct113204302447
928057777255
1010101032231
114313851024
121b5a99491b
13c4c902a64
146bb7422a3
153e1bb868b
hex25a118527

10101032231 has 4 divisors (see below), whose sum is σ = 10101355464. Its totient is φ = 10100709000.

The previous prime is 10101032209. The next prime is 10101032323. The reversal of 10101032231 is 13223010101.

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

It is a cyclic number.

It is not a de Polignac number, because 10101032231 - 210 = 10101031207 is a prime.

It is a super-2 number, since 2×101010322312 (a number of 21 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 (10101032131) 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, 109040 + ... + 179141.

It is an arithmetic number, because the mean of its divisors is an integer number (2525338866).

Almost surely, 210101032231 is an apocalyptic number.

10101032231 is a deficient number, since it is larger than the sum of its proper divisors (323233).

10101032231 is an equidigital number, since it uses as much as digits as its factorization.

10101032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323232.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10101032231 its reverse (13223010101), we get a palindrome (23324042332).

The spelling of 10101032231 in words is "ten billion, one hundred one million, thirty-two thousand, two hundred thirty-one".

Divisors: 1 35051 288181 10101032231