Search a number
-
+
11302011031 = 31596539463
BaseRepresentation
bin10101000011010011…
…10000000010010111
31002011122201122111011
422201221300002113
5141121303323111
65105253153051
7550034336323
oct124151600227
932148648434
1011302011031
11487a766193
12223502b787
1310b167a8bc
14793048983
15462349021
hex2a1a70097

11302011031 has 16 divisors (see below), whose sum is σ = 11883755520. Its totient is φ = 10734449760.

The previous prime is 11302011029. The next prime is 11302011067. The reversal of 11302011031 is 13011020311.

It is a cyclic number.

It is not a de Polignac number, because 11302011031 - 21 = 11302011029 is a prime.

It is a super-2 number, since 2×113020110312 (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 (11302011001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189606 + ... + 1199068.

It is an arithmetic number, because the mean of its divisors is an integer number (742734720).

Almost surely, 211302011031 is an apocalyptic number.

11302011031 is a deficient number, since it is larger than the sum of its proper divisors (581744489).

11302011031 is an equidigital number, since it uses as much as digits as its factorization.

11302011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10206.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11302011031 its reverse (13011020311), we get a palindrome (24313031342).

The spelling of 11302011031 in words is "eleven billion, three hundred two million, eleven thousand, thirty-one".

Divisors: 1 31 59 653 1829 9463 20243 38527 293353 558317 1194337 6179339 17307827 191559509 364581001 11302011031