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11013331031 = 179124949261
BaseRepresentation
bin10100100000111001…
…00001100001010111
31001102112112011222022
422100130201201113
5140023403043111
65020501523355
7536630524553
oct122034414127
931375464868
1011013331031
11474181367a
12217441355b
131066914431
14766980863
15446d242db
hex290721857

11013331031 has 8 divisors (see below), whose sum is σ = 11083950000. Its totient is φ = 10942813440.

The previous prime is 11013331027. The next prime is 11013331067. The reversal of 11013331031 is 13013331011.

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 11013331031 - 22 = 11013331027 is a prime.

It is a super-2 number, since 2×110133310312 (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 (11013331081) 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, 198941 + ... + 248201.

It is an arithmetic number, because the mean of its divisors is an integer number (1385493750).

Almost surely, 211013331031 is an apocalyptic number.

11013331031 is a deficient number, since it is larger than the sum of its proper divisors (70618969).

11013331031 is a wasteful number, since it uses less digits than its factorization.

11013331031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50689.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 11013331031 its reverse (13013331011), we get a palindrome (24026662042).

The spelling of 11013331031 in words is "eleven billion, thirteen million, three hundred thirty-one thousand, thirty-one".

Divisors: 1 179 1249 49261 223571 8817719 61526989 11013331031