434020320131 has 4 divisors (see below), whose sum is σ = 444113815992. Its totient is φ = 423926824272.

The previous prime is 434020320119. The next prime is 434020320133. The reversal of 434020320131 is 131023020434.

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

It is a cyclic number.

It is not a de Polignac number, because 434020320131 - 2¹⁸ = 434020057987 is a prime.

It is a super-2 number, since 2×434020320131² (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 = 434020320097 and 434020320106.

It is not an unprimeable number, because it can be changed into a prime (434020320133) 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, 5046747866 + ... + 5046747951.

It is an arithmetic number, because the mean of its divisors is an integer number (111028453998).

Almost surely, 2^434020320131 is an apocalyptic number.

434020320131 is a deficient number, since it is larger than the sum of its proper divisors (10093495861).

434020320131 is a wasteful number, since it uses less digits than its factorization.

434020320131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10093495860.

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

Adding to 434020320131 its reverse (131023020434), we get a palindrome (565043340565).

The spelling of 434020320131 in words is "four hundred thirty-four billion, twenty million, three hundred twenty thousand, one hundred thirty-one".