431122220041 has 4 divisors (see below), whose sum is σ = 442774171972. Its totient is φ = 419470268112.

The previous prime is 431122220033. The next prime is 431122220057. The reversal of 431122220041 is 140022221134.

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

It can be written as a sum of positive squares in 2 ways, for example, as 354048800400 + 77073419641 = 595020^2 + 277621^2 .

It is a cyclic number.

It is not a de Polignac number, because 431122220041 - 2³ = 431122220033 is a prime.

It is a super-2 number, since 2×431122220041² (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 = 431122219994 and 431122220021.

It is not an unprimeable number, because it can be changed into a prime (431122220341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5825975910 + ... + 5825975983.

It is an arithmetic number, because the mean of its divisors is an integer number (110693542993).

Almost surely, 2^431122220041 is an apocalyptic number.

It is an amenable number.

431122220041 is a deficient number, since it is larger than the sum of its proper divisors (11651951931).

431122220041 is a wasteful number, since it uses less digits than its factorization.

431122220041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11651951930.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 431122220041 its reverse (140022221134), we get a palindrome (571144441175).

The spelling of 431122220041 in words is "four hundred thirty-one billion, one hundred twenty-two million, two hundred twenty thousand, forty-one".