Search a number
-
+
431434031 = 7172335771
BaseRepresentation
bin11001101101110…
…010100100101111
31010001211010020012
4121231302210233
51340421342111
6110451043435
713456062110
oct3155624457
91101733205
10431434031
11201595856
121005a057b
136b4c9212
1441428207
1527d2248b
hex19b7292f

431434031 has 8 divisors (see below), whose sum is σ = 493367424. Its totient is φ = 369575640.

The previous prime is 431434027. The next prime is 431434043. The reversal of 431434031 is 130434134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 431434031 - 22 = 431434027 is a prime.

It is a super-2 number, since 2×4314340312 = 372270646209817922, 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 = 431433988 and 431434006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431434001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5825 + ... + 29946.

It is an arithmetic number, because the mean of its divisors is an integer number (61670928).

Almost surely, 2431434031 is an apocalyptic number.

431434031 is a deficient number, since it is larger than the sum of its proper divisors (61933393).

431434031 is a wasteful number, since it uses less digits than its factorization.

431434031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37501.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 431434031 is about 20770.9901304680. The cubic root of 431434031 is about 755.6223577670.

Adding to 431434031 its reverse (130434134), we get a palindrome (561868165).

It can be divided in two parts, 43143 and 4031, that added together give a palindrome (47174).

The spelling of 431434031 in words is "four hundred thirty-one million, four hundred thirty-four thousand, thirty-one".

Divisors: 1 7 1723 12061 35771 250397 61633433 431434031