Search a number
-
+
2431120431 = 32927943913
BaseRepresentation
bin1001000011100111…
…1111010000101111
320021102120201021110
42100321333100233
514434331323211
61041123203103
7114150116445
oct22071772057
96242521243
102431120431
111038338843
1257a216493
132c98938cc
14190c40b95
15e3671ea6
hex90e7f42f

2431120431 has 8 divisors (see below), whose sum is σ = 3353269680. Its totient is φ = 1564859072.

The previous prime is 2431120427. The next prime is 2431120451. The reversal of 2431120431 is 1340211342.

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 2431120431 - 22 = 2431120427 is a prime.

It is a super-2 number, since 2×24311204312 = 11820693100051251522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2431120398 and 2431120407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431120451) 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, 13971870 + ... + 13972043.

It is an arithmetic number, because the mean of its divisors is an integer number (419158710).

Almost surely, 22431120431 is an apocalyptic number.

2431120431 is a deficient number, since it is larger than the sum of its proper divisors (922149249).

2431120431 is a wasteful number, since it uses less digits than its factorization.

2431120431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27943945.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2431120431 is about 49306.3934089688. The cubic root of 2431120431 is about 1344.6280220447.

Adding to 2431120431 its reverse (1340211342), we get a palindrome (3771331773).

The spelling of 2431120431 in words is "two billion, four hundred thirty-one million, one hundred twenty thousand, four hundred thirty-one".

Divisors: 1 3 29 87 27943913 83831739 810373477 2431120431