Search a number
-
+
11031311304021 = 325896714199121
BaseRepresentation
bin1010000010000110110101…
…1001000100010101010101
31110001120202001101201122010
42200201231121010111111
52421214111143212041
635243414153254433
72215662114653061
oct240415531042525
943046661351563
1011031311304021
113573397711078
1212a1b37a04419
1362032c381398
142a1cbdc04aa1
15141e3a4a7a16
hexa086d644555

11031311304021 has 8 divisors (see below), whose sum is σ = 14708472904384. Its totient is φ = 7354178619840.

The previous prime is 11031311304019. The next prime is 11031311304061. The reversal of 11031311304021 is 12040311313011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11031311304021 - 21 = 11031311304019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031311304061) 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, 6322660 + ... + 7876461.

It is an arithmetic number, because the mean of its divisors is an integer number (1838559113048).

Almost surely, 211031311304021 is an apocalyptic number.

It is an amenable number.

11031311304021 is a deficient number, since it is larger than the sum of its proper divisors (3677161600363).

11031311304021 is a wasteful number, since it uses less digits than its factorization.

11031311304021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14458091.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11031311304021 its reverse (12040311313011), we get a palindrome (23071622617032).

The spelling of 11031311304021 in words is "eleven trillion, thirty-one billion, three hundred eleven million, three hundred four thousand, twenty-one".

Divisors: 1 3 258967 776901 14199121 42597363 3677103768007 11031311304021