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11101033031 = 111728234243
BaseRepresentation
bin10100101011010110…
…00101001001000111
31001122122112220111112
422111223011021013
5140213331024111
65033313355235
7542044136534
oct122553051107
931578486445
1011101033031
114787275470
122199868b1b
13107bb403ca
1477448dd8b
1544e899e8b
hex295ac5247

11101033031 has 24 divisors (see below), whose sum is σ = 12883154304. Its totient is φ = 9484433280.

The previous prime is 11101032979. The next prime is 11101033039. The reversal of 11101033031 is 13033010111.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-11101033031 is a prime.

It is a super-2 number, since 2×111010330312 (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 = 11101032997 and 11101033015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101033039) 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, 2614196 + ... + 2618438.

It is an arithmetic number, because the mean of its divisors is an integer number (536798096).

Almost surely, 211101033031 is an apocalyptic number.

11101033031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11101033031 is a deficient number, since it is larger than the sum of its proper divisors (1782121273).

11101033031 is a wasteful number, since it uses less digits than its factorization.

11101033031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111 (or 5094 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 11101033031 its reverse (13033010111), we get a palindrome (24134043142).

The spelling of 11101033031 in words is "eleven billion, one hundred one million, thirty-three thousand, thirty-one".

Divisors: 1 11 17 187 289 823 3179 4243 9053 13991 46673 72131 153901 237847 793441 1226227 2616317 3491989 13488497 38411879 59363813 653001943 1009184821 11101033031