Search a number
-
+
431230635504131 = 2318749158065397
BaseRepresentation
bin110001000001100111011010…
…0110110000111001000000011
32002112212020122102202211202112
41202003032310312013020003
5423010240320142113011
64125052341420005535
7156555246102454301
oct14203166466071003
92075766572684675
10431230635504131
111154489816454a1
12404474773908ab
1315680b4a1b6a28
14786b961b13271
1534cc4723ee58b
hex18833b4d87203

431230635504131 has 4 divisors (see below), whose sum is σ = 449979793569552. Its totient is φ = 412481477438712.

The previous prime is 431230635504073. The next prime is 431230635504139. The reversal of 431230635504131 is 131405536032134.

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

It is not a de Polignac number, because 431230635504131 - 246 = 360861891326467 is a prime.

It is a super-2 number, since 2×4312306355041312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431230635504139) 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, 9374579032676 + ... + 9374579032721.

It is an arithmetic number, because the mean of its divisors is an integer number (112494948392388).

Almost surely, 2431230635504131 is an apocalyptic number.

431230635504131 is a deficient number, since it is larger than the sum of its proper divisors (18749158065421).

431230635504131 is a wasteful number, since it uses less digits than its factorization.

431230635504131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18749158065420.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 431230635504131 in words is "four hundred thirty-one trillion, two hundred thirty billion, six hundred thirty-five million, five hundred four thousand, one hundred thirty-one".

Divisors: 1 23 18749158065397 431230635504131