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431120141 = 887486043
BaseRepresentation
bin11001101100100…
…101111100001101
31010001020011122122
4121230211330031
51340331321031
6110440222325
713453314014
oct3154457415
91101204578
10431120141
112013a0a41
1210046a9a5
136b41939a
1441385a7b
1527cae47b
hex19b25f0d

431120141 has 4 divisors (see below), whose sum is σ = 431607072. Its totient is φ = 430633212.

The previous prime is 431120077. The next prime is 431120149. The reversal of 431120141 is 141021134.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 431120141 - 26 = 431120077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431120149) 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, 242135 + ... + 243908.

It is an arithmetic number, because the mean of its divisors is an integer number (107901768).

Almost surely, 2431120141 is an apocalyptic number.

It is an amenable number.

431120141 is a deficient number, since it is larger than the sum of its proper divisors (486931).

431120141 is an equidigital number, since it uses as much as digits as its factorization.

431120141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486930.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 431120141 is about 20763.4327845855. The cubic root of 431120141 is about 755.4390621924.

Adding to 431120141 its reverse (141021134), we get a palindrome (572141275).

The spelling of 431120141 in words is "four hundred thirty-one million, one hundred twenty thousand, one hundred forty-one".

Divisors: 1 887 486043 431120141