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13010032231 = 78011232003
BaseRepresentation
bin11000001110111010…
…10101011001100111
31020120200200010002121
430013131111121213
5203121032012411
65550550050411
7640254310060
oct140735253147
936520603077
1013010032231
115576907859
122631049a07
1312c44a5131
148b5c1b567
15512284571
hex307755667

13010032231 has 8 divisors (see below), whose sum is σ = 14870528384. Its totient is φ = 11150016120.

The previous prime is 13010032201. The next prime is 13010032249. The reversal of 13010032231 is 13223001031.

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 13010032231 - 25 = 13010032199 is a prime.

It is a super-2 number, since 2×130100322312 (a number of 21 digits) 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 (13010032201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59925 + ... + 172078.

It is an arithmetic number, because the mean of its divisors is an integer number (1858816048).

Almost surely, 213010032231 is an apocalyptic number.

13010032231 is a deficient number, since it is larger than the sum of its proper divisors (1860496153).

13010032231 is an equidigital number, since it uses as much as digits as its factorization.

13010032231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240021.

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

Adding to 13010032231 its reverse (13223001031), we get a palindrome (26233033262).

The spelling of 13010032231 in words is "thirteen billion, ten million, thirty-two thousand, two hundred thirty-one".

Divisors: 1 7 8011 56077 232003 1624021 1858576033 13010032231