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1112313213 = 3211173891699
BaseRepresentation
bin100001001001100…
…1000110101111101
32212112000100212200
41002103020311331
54234223010323
6302212422113
736364335444
oct10223106575
92775010780
101112313213
11520965420
12270617939
131495a23cb
14a7a25d5b
15679b9443
hex424c8d7d

1112313213 has 48 divisors (see below), whose sum is σ = 1861704000. Its totient is φ = 632471040.

The previous prime is 1112313199. The next prime is 1112313217. The reversal of 1112313213 is 3123132111.

1112313213 is a `hidden beast` number, since 111 + 231 + 321 + 3 = 666.

It is not a de Polignac number, because 1112313213 - 24 = 1112313197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112313217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 653838 + ... + 655536.

It is an arithmetic number, because the mean of its divisors is an integer number (38785500).

Almost surely, 21112313213 is an apocalyptic number.

It is an amenable number.

1112313213 is a deficient number, since it is larger than the sum of its proper divisors (749390787).

1112313213 is a wasteful number, since it uses less digits than its factorization.

1112313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122 (or 2119 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1112313213 is about 33351.3599872629. The cubic root of 1112313213 is about 1036.1175550356.

Adding to 1112313213 its reverse (3123132111), we get a palindrome (4235445324).

It can be divided in two parts, 11123 and 13213, that added together give a square (24336 = 1562).

The spelling of 1112313213 in words is "one billion, one hundred twelve million, three hundred thirteen thousand, two hundred thirteen".

Divisors: 1 3 9 11 17 33 51 99 153 187 389 561 1167 1683 1699 3501 4279 5097 6613 12837 15291 18689 19839 28883 38511 56067 59517 72743 86649 168201 218229 259947 317713 654687 660911 953139 1982733 2859417 5948199 7270021 11235487 21810063 33706461 65430189 101119383 123590357 370771071 1112313213