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11143241031 = 313401719991
BaseRepresentation
bin10100110000011000…
…00101110101000111
31001202120222021222210
422120030011311013
5140310132203111
65041422154503
7543065662116
oct123014056507
931676867883
1011143241031
1147a9083a0a
1221aba22a33
1310877cac60
14779d19c7d
154534360a6
hex298305d47

11143241031 has 32 divisors (see below), whose sum is σ = 16078970880. Its totient is φ = 6823872000.

The previous prime is 11143241029. The next prime is 11143241041. The reversal of 11143241031 is 13014234111.

It is not a de Polignac number, because 11143241031 - 21 = 11143241029 is a prime.

It is a super-2 number, since 2×111432410312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11143240989 and 11143241007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143241041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11243946 + ... + 11244936.

It is an arithmetic number, because the mean of its divisors is an integer number (502467840).

Almost surely, 211143241031 is an apocalyptic number.

11143241031 is a deficient number, since it is larger than the sum of its proper divisors (4935729849).

11143241031 is a wasteful number, since it uses less digits than its factorization.

11143241031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11143241031 its reverse (13014234111), we get a palindrome (24157475142).

The spelling of 11143241031 in words is "eleven billion, one hundred forty-three million, two hundred forty-one thousand, thirty-one".

Divisors: 1 3 13 39 401 719 991 1203 2157 2973 5213 9347 12883 15639 28041 38649 288319 397391 712529 864957 1192173 2137587 3748147 5166083 9262877 11244441 15498249 27788631 285724129 857172387 3714413677 11143241031