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1201314213 = 33119974057
BaseRepresentation
bin100011110011010…
…1001100110100101
310002201111002022000
41013212221212211
54430014023323
6315112155513
741525000541
oct10746514645
93081432260
101201314213
11567124170
12296398b99
13161b64718
14b5792a21
15706e9e43
hex479a99a5

1201314213 has 32 divisors (see below), whose sum is σ = 1943944320. Its totient is φ = 727159680.

The previous prime is 1201314203. The next prime is 1201314239. The reversal of 1201314213 is 3124131021.

It is not a de Polignac number, because 1201314213 - 25 = 1201314181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201314203) 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, 294081 + ... + 298137.

It is an arithmetic number, because the mean of its divisors is an integer number (60748260).

Almost surely, 21201314213 is an apocalyptic number.

It is an amenable number.

1201314213 is a deficient number, since it is larger than the sum of its proper divisors (742630107).

1201314213 is a wasteful number, since it uses less digits than its factorization.

1201314213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074 (or 5068 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1201314213 is about 34659.9799913387. The cubic root of 1201314213 is about 1063.0463609018.

Adding to 1201314213 its reverse (3124131021), we get a palindrome (4325445234).

The spelling of 1201314213 in words is "one billion, two hundred one million, three hundred fourteen thousand, two hundred thirteen".

Divisors: 1 3 9 11 27 33 99 297 997 2991 4057 8973 10967 12171 26919 32901 36513 44627 98703 109539 133881 296109 401643 1204929 4044829 12134487 36403461 44493119 109210383 133479357 400438071 1201314213