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13010130231 = 37837464217
BaseRepresentation
bin11000001110111011…
…01101010100110111
31020120200212002112020
430013131231110313
5203121043131411
65550552124223
7640255165560
oct140735552467
936520762466
1013010130231
11557697444a
122631096673
1312c450a917
148b5c45167
155122a3606
hex30776d537

13010130231 has 16 divisors (see below), whose sum is σ = 20063817984. Its totient is φ = 7344788544.

The previous prime is 13010130173. The next prime is 13010130323. The reversal of 13010130231 is 13203101031.

It is not a de Polignac number, because 13010130231 - 27 = 13010130103 is a prime.

It is a super-2 number, since 2×130101302312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13010130231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13010130131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3730366 + ... + 3733851.

It is an arithmetic number, because the mean of its divisors is an integer number (1253988624).

Almost surely, 213010130231 is an apocalyptic number.

13010130231 is a deficient number, since it is larger than the sum of its proper divisors (7053687753).

13010130231 is an equidigital number, since it uses as much as digits as its factorization.

13010130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7464310.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13010130231 its reverse (13203101031), we get a palindrome (26213231262).

The spelling of 13010130231 in words is "thirteen billion, ten million, one hundred thirty thousand, two hundred thirty-one".

Divisors: 1 3 7 21 83 249 581 1743 7464217 22392651 52249519 156748557 619530011 1858590033 4336710077 13010130231