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11022213031 = 103710915053
BaseRepresentation
bin10100100001111100…
…11001111110100111
31001110011020102210021
422100332121332213
5140033141304111
65021420140011
7540066156604
oct122076317647
931404212707
1011022213031
11474682a875
122177397607
13106870415b
14767c136ab
154479cad71
hex290f99fa7

11022213031 has 8 divisors (see below), whose sum is σ = 11131529760. Its totient is φ = 10912940832.

The previous prime is 11022213017. The next prime is 11022213049. The reversal of 11022213031 is 13031222011.

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 11022213031 - 29 = 11022212519 is a prime.

It is a super-2 number, since 2×110222130312 (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 = 11022212996 and 11022213014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022213071) 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, 724701 + ... + 739753.

It is an arithmetic number, because the mean of its divisors is an integer number (1391441220).

Almost surely, 211022213031 is an apocalyptic number.

11022213031 is a deficient number, since it is larger than the sum of its proper divisors (109316729).

11022213031 is a wasteful number, since it uses less digits than its factorization.

11022213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22265.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11022213031 its reverse (13031222011), we get a palindrome (24053435042).

The spelling of 11022213031 in words is "eleven billion, twenty-two million, two hundred thirteen thousand, thirty-one".

Divisors: 1 103 7109 15053 732227 1550459 107011777 11022213031