Search a number
-
+
1101430131 = 33179471223
BaseRepresentation
bin100000110100110…
…0111110101110011
32211202112110002120
41001221213311303
54223431231011
6301143245323
736203000364
oct10151476563
92752473076
101101430131
1151580183a
12268a49843
13147261909
14a63d1b6b
1566a69a06
hex41a67d73

1101430131 has 16 divisors (see below), whose sum is σ = 1475967744. Its totient is φ = 730599584.

The previous prime is 1101429991. The next prime is 1101430147. The reversal of 1101430131 is 1310341011.

It is a cyclic number.

It is not a de Polignac number, because 1101430131 - 29 = 1101429619 is a prime.

It is a super-2 number, since 2×11014301312 = 2426296666949354322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1101430131.

It is not an unprimeable number, because it can be changed into a prime (1101430331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899986 + ... + 901208.

It is an arithmetic number, because the mean of its divisors is an integer number (92247984).

Almost surely, 21101430131 is an apocalyptic number.

1101430131 is a deficient number, since it is larger than the sum of its proper divisors (374537613).

1101430131 is a wasteful number, since it uses less digits than its factorization.

1101430131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1101430131 is about 33187.8009364887. The cubic root of 1101430131 is about 1032.7272840833.

Adding to 1101430131 its reverse (1310341011), we get a palindrome (2411771142).

The spelling of 1101430131 in words is "one billion, one hundred one million, four hundred thirty thousand, one hundred thirty-one".

Divisors: 1 3 317 947 951 1223 2841 3669 300199 387691 900597 1158181 1163073 3474543 367143377 1101430131