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1013032231 = 1138964887
BaseRepresentation
bin111100011000011…
…010010100100111
32121121012100222021
4330120122110213
54033314012411
6244304444011
734050426511
oct7430322447
92547170867
101013032231
1147a915122
12243319607
13131b50c73
1498780bb1
155de07a71
hex3c61a527

1013032231 has 4 divisors (see below), whose sum is σ = 1021997232. Its totient is φ = 1004067232.

The previous prime is 1013032151. The next prime is 1013032249. The reversal of 1013032231 is 1322303101.

1013032231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1013032231 - 225 = 979477799 is a prime.

It is a super-2 number, since 2×10130322312 = 2052468602089674722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013030231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4482331 + ... + 4482556.

It is an arithmetic number, because the mean of its divisors is an integer number (255499308).

Almost surely, 21013032231 is an apocalyptic number.

1013032231 is a deficient number, since it is larger than the sum of its proper divisors (8965001).

1013032231 is an equidigital number, since it uses as much as digits as its factorization.

1013032231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8965000.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1013032231 is about 31828.1672579494. The cubic root of 1013032231 is about 1004.3253414477.

Adding to 1013032231 its reverse (1322303101), we get a palindrome (2335335332).

The spelling of 1013032231 in words is "one billion, thirteen million, thirty-two thousand, two hundred thirty-one".

Divisors: 1 113 8964887 1013032231