431022055 has 8 divisors (see below), whose sum is σ = 524946672. Its totient is φ = 339670848.

The previous prime is 431022037. The next prime is 431022073. The reversal of 431022055 is 550220134.

It is an interprime number because it is at equal distance from previous prime (431022037) and next prime (431022073).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431022055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 642982 + ... + 643651.

It is an arithmetic number, because the mean of its divisors is an integer number (65618334).

Almost surely, 2^431022055 is an apocalyptic number.

431022055 is a deficient number, since it is larger than the sum of its proper divisors (93924617).

431022055 is a wasteful number, since it uses less digits than its factorization.

431022055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286705.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 431022055 is about 20761.0706612159. The cubic root of 431022055 is about 755.3817667821.

Adding to 431022055 its reverse (550220134), we get a palindrome (981242189).

The spelling of 431022055 in words is "four hundred thirty-one million, twenty-two thousand, fifty-five".