Search a number
-
+
1342230231 = 32631701179
BaseRepresentation
bin101000000000000…
…1100111011010111
310110112122100201210
41100000030323113
510222102331411
6341104352503
745155524446
oct12000147327
93415570653
101342230231
11629721491
12315615733
13185102994
14ca394d5d
157cc82ca6
hex5000ced7

1342230231 has 8 divisors (see below), whose sum is σ = 1796446080. Its totient is φ = 891417272.

The previous prime is 1342230199. The next prime is 1342230233. The reversal of 1342230231 is 1320322431.

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 1342230231 - 25 = 1342230199 is a prime.

It is a super-2 number, since 2×13422302312 = 3603163986020626722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1342230198 and 1342230207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342230233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849801 + ... + 851378.

It is an arithmetic number, because the mean of its divisors is an integer number (224555760).

Almost surely, 21342230231 is an apocalyptic number.

1342230231 is a deficient number, since it is larger than the sum of its proper divisors (454215849).

1342230231 is a wasteful number, since it uses less digits than its factorization.

1342230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701445.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1342230231 is about 36636.4604049027. The cubic root of 1342230231 is about 1103.0850670605.

Adding to 1342230231 its reverse (1320322431), we get a palindrome (2662552662).

The spelling of 1342230231 in words is "one billion, three hundred forty-two million, two hundred thirty thousand, two hundred thirty-one".

Divisors: 1 3 263 789 1701179 5103537 447410077 1342230231