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11100233031 = 34124315107
BaseRepresentation
bin10100101011010000…
…00001110101000111
31001122121001021002220
422111220001311013
5140213124424111
65033244303423
7542034265266
oct122550016507
931577037086
1011100233031
114786879408
122199541b73
13107b920234
147743225dd
1544e78ce06
hex295a01d47

11100233031 has 24 divisors (see below), whose sum is σ = 15208273152. Its totient is φ = 7201502400.

The previous prime is 11100233017. The next prime is 11100233047. The reversal of 11100233031 is 13033200111.

It is not a de Polignac number, because 11100233031 - 25 = 11100232999 is a prime.

It is a super-2 number, since 2×111002330312 (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 11100233031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100233071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2170980 + ... + 2176086.

It is an arithmetic number, because the mean of its divisors is an integer number (633678048).

Almost surely, 211100233031 is an apocalyptic number.

11100233031 is a deficient number, since it is larger than the sum of its proper divisors (4108040121).

11100233031 is an equidigital number, since it uses as much as digits as its factorization.

11100233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5623 (or 5582 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11100233031 its reverse (13033200111), we get a palindrome (24133433142).

The spelling of 11100233031 in words is "eleven billion, one hundred million, two hundred thirty-three thousand, thirty-one".

Divisors: 1 3 41 123 431 1293 1681 5043 5107 15321 17671 53013 209387 628161 724511 2173533 2201117 6603351 8584867 25754601 90245797 270737391 3700077677 11100233031