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431442123041 = 2022192133539
BaseRepresentation
bin1100100011100111111…
…01000101100100100001
31112020121221110201021102
412101303331011210201
524032043140414131
6530111330004145
743112352352136
oct6216375054441
91466557421242
10431442123041
11156a78915856
126b749116655
13318b970cb87
1416c4bd6658d
15b351e381cb
hex6473f45921

431442123041 has 4 divisors (see below), whose sum is σ = 431444458800. Its totient is φ = 431439787284.

The previous prime is 431442123031. The next prime is 431442123067. The reversal of 431442123041 is 140321244134.

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 a de Polignac number, because none of the positive numbers 2k-431442123041 is a prime.

It is a super-2 number, since 2×4314421230412 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431442122995 and 431442123013.

It is not an unprimeable number, because it can be changed into a prime (431442123031) 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, 864551 + ... + 1268988.

It is an arithmetic number, because the mean of its divisors is an integer number (107861114700).

Almost surely, 2431442123041 is an apocalyptic number.

It is an amenable number.

431442123041 is a deficient number, since it is larger than the sum of its proper divisors (2335759).

431442123041 is a wasteful number, since it uses less digits than its factorization.

431442123041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335758.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 431442123041 its reverse (140321244134), we get a palindrome (571763367175).

The spelling of 431442123041 in words is "four hundred thirty-one billion, four hundred forty-two million, one hundred twenty-three thousand, forty-one".

Divisors: 1 202219 2133539 431442123041