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13430410031 = 43312335117
BaseRepresentation
bin11001000001000001…
…11100101100101111
31021122222200112000202
430200200330230233
5210001141110111
610100404144115
7653550413243
oct144040745457
937588615022
1013430410031
115772130925
12272999803b
1313605ccaac
149159a8423
15539120b3b
hex32083cb2f

13430410031 has 4 divisors (see below), whose sum is σ = 13742745192. Its totient is φ = 13118074872.

The previous prime is 13430410009. The next prime is 13430410069. The reversal of 13430410031 is 13001403431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13001403431 = 121310718387.

It is a cyclic number.

It is not a de Polignac number, because 13430410031 - 210 = 13430409007 is a prime.

It is a super-3 number, since 3×134304100313 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13430409985 and 13430410012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430418031) 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, 156167516 + ... + 156167601.

It is an arithmetic number, because the mean of its divisors is an integer number (3435686298).

Almost surely, 213430410031 is an apocalyptic number.

13430410031 is a deficient number, since it is larger than the sum of its proper divisors (312335161).

13430410031 is an equidigital number, since it uses as much as digits as its factorization.

13430410031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312335160.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13430410031 its reverse (13001403431), we get a palindrome (26431813462).

The spelling of 13430410031 in words is "thirteen billion, four hundred thirty million, four hundred ten thousand, thirty-one".

Divisors: 1 43 312335117 13430410031