Search a number
-
+
22113011031 = 38099111253
BaseRepresentation
bin10100100110000010…
…011100010101010111
32010002002112100110120
4110212002130111113
5330241412323111
614054130323023
71411660330626
oct244602342527
963062470416
1022113011031
119418244531
124351729473
13211539ca17
1410dab9b6bd
15896503406
hex52609c557

22113011031 has 8 divisors (see below), whose sum is σ = 29520462960. Its totient is φ = 14723783232.

The previous prime is 22113011027. The next prime is 22113011147. The reversal of 22113011031 is 13011031122.

It is a happy number.

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

It is not a de Polignac number, because 22113011031 - 22 = 22113011027 is a prime.

It is a super-2 number, since 2×221130110312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22113011031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113015031) 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, 4553200 + ... + 4558053.

It is an arithmetic number, because the mean of its divisors is an integer number (3690057870).

Almost surely, 222113011031 is an apocalyptic number.

22113011031 is a deficient number, since it is larger than the sum of its proper divisors (7407451929).

22113011031 is an equidigital number, since it uses as much as digits as its factorization.

22113011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9112065.

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

Adding to 22113011031 its reverse (13011031122), we get a palindrome (35124042153).

The spelling of 22113011031 in words is "twenty-two billion, one hundred thirteen million, eleven thousand, thirty-one".

Divisors: 1 3 809 2427 9111253 27333759 7371003677 22113011031