431220022042 has 16 divisors (see below), whose sum is σ = 660711795840. Its totient is φ = 210984415488.

The previous prime is 431220022039. The next prime is 431220022049. The reversal of 431220022042 is 240220022134.

It is not an unprimeable number, because it can be changed into a prime (431220022049) 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, 111613 + ... + 935359.

It is an arithmetic number, because the mean of its divisors is an integer number (41294487240).

Almost surely, 2^431220022042 is an apocalyptic number.

431220022042 is a deficient number, since it is larger than the sum of its proper divisors (229491773798).

431220022042 is a wasteful number, since it uses less digits than its factorization.

431220022042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829365.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 431220022042 its reverse (240220022134), we get a palindrome (671440044176).

The spelling of 431220022042 in words is "four hundred thirty-one billion, two hundred twenty million, twenty-two thousand, forty-two".