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1234311013 = 13355726693
BaseRepresentation
bin100100110010010…
…0001011101100101
310012000120111101201
41021210201131211
510011440423023
6322251322501
742405320245
oct11144413545
93160514351
101234311013
11583811151
122a5450431
13168948760
14b9d01b25
1573566bad
hex49921765

1234311013 has 8 divisors (see below), whose sum is σ = 1329681528. Its totient is φ = 1139001024.

The previous prime is 1234310989. The next prime is 1234311049. The reversal of 1234311013 is 3101134321.

It can be written as a sum of positive squares in 4 ways, for example, as 176305284 + 1058005729 = 13278^2 + 32527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1234311013 - 29 = 1234310501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234311413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32895 + ... + 59587.

It is an arithmetic number, because the mean of its divisors is an integer number (166210191).

Almost surely, 21234311013 is an apocalyptic number.

1234311013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1234311013 is a deficient number, since it is larger than the sum of its proper divisors (95370515).

1234311013 is a wasteful number, since it uses less digits than its factorization.

1234311013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30263.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1234311013 is about 35132.7626724686. The cubic root of 1234311013 is about 1072.6915708746.

Adding to 1234311013 its reverse (3101134321), we get a palindrome (4335445334).

The spelling of 1234311013 in words is "one billion, two hundred thirty-four million, three hundred eleven thousand, thirteen".

Divisors: 1 13 3557 26693 46241 347009 94947001 1234311013