Search a number
-
+
431109119 = 761587017
BaseRepresentation
bin11001101100100…
…011001111111111
31010001012121112102
4121230203033333
51340330442434
6110440055315
713453236620
oct3154431777
91101177472
10431109119
11201393731
1210046453b
136b41436c
1441381a47
1527cab07e
hex19b233ff

431109119 has 4 divisors (see below), whose sum is σ = 492696144. Its totient is φ = 369522096.

The previous prime is 431109113. The next prime is 431109127. The reversal of 431109119 is 911901134.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-431109119 is a prime.

It is a super-2 number, since 2×4311091192 = 371710144969912322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431109091 and 431109100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431109113) 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 3 ways as a sum of consecutive naturals, for example, 30793502 + ... + 30793515.

It is an arithmetic number, because the mean of its divisors is an integer number (123174036).

Almost surely, 2431109119 is an apocalyptic number.

431109119 is a deficient number, since it is larger than the sum of its proper divisors (61587025).

431109119 is an equidigital number, since it uses as much as digits as its factorization.

431109119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61587024.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 431109119 is about 20763.1673643498. The cubic root of 431109119 is about 755.4326242960.

The spelling of 431109119 in words is "four hundred thirty-one million, one hundred nine thousand, one hundred nineteen".

Divisors: 1 7 61587017 431109119