Search a number
-
+
11311013011 = 149583913001
BaseRepresentation
bin10101000100011000…
…00101110010010011
31002012021122222212211
422202030011302103
5141131104404021
65110214132551
7550204011214
oct124214056223
932167588784
1011311013011
114884854541
122238051157
1310b34b010c
1479430d40b
154630263e1
hex2a2305c93

11311013011 has 8 divisors (see below), whose sum is σ = 11389752000. Its totient is φ = 11232312000.

The previous prime is 11311013003. The next prime is 11311013017. The reversal of 11311013011 is 11031011311.

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 11311013011 - 23 = 11311013003 is a prime.

It is a super-2 number, since 2×113110130112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11311012982 and 11311013000.

It is not an unprimeable number, because it can be changed into a prime (11311013017) 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, 863511 + ... + 876511.

It is an arithmetic number, because the mean of its divisors is an integer number (1423719000).

Almost surely, 211311013011 is an apocalyptic number.

11311013011 is a deficient number, since it is larger than the sum of its proper divisors (78738989).

11311013011 is a wasteful number, since it uses less digits than its factorization.

11311013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18989.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 11311013011 its reverse (11031011311), we get a palindrome (22342024322).

The spelling of 11311013011 in words is "eleven billion, three hundred eleven million, thirteen thousand, eleven".

Divisors: 1 149 5839 13001 870011 1937149 75912839 11311013011