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13430014231 = 291783259733
BaseRepresentation
bin11001000000111110…
…11100000100010111
31021122221221102002111
430200133130010113
5210001040423411
610100351451451
7653544144304
oct144037340427
937587842074
1013430014231
115771990517
122729826b87
1313604c18aa
149159040ab
15539093721
hex3207dc117

13430014231 has 8 divisors (see below), whose sum is σ = 13900963680. Its totient is φ = 12959587872.

The previous prime is 13430014223. The next prime is 13430014307. The reversal of 13430014231 is 13241003431.

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 13430014231 - 23 = 13430014223 is a prime.

It is a super-2 number, since 2×134300142312 (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 (13430614231) 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, 78160 + ... + 181573.

It is an arithmetic number, because the mean of its divisors is an integer number (1737620460).

Almost surely, 213430014231 is an apocalyptic number.

13430014231 is a deficient number, since it is larger than the sum of its proper divisors (470949449).

13430014231 is a wasteful number, since it uses less digits than its factorization.

13430014231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261545.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13430014231 its reverse (13241003431), we get a palindrome (26671017662).

The spelling of 13430014231 in words is "thirteen billion, four hundred thirty million, fourteen thousand, two hundred thirty-one".

Divisors: 1 29 1783 51707 259733 7532257 463103939 13430014231