431402055 has 32 divisors (see below), whose sum is σ = 810177024. Its totient is φ = 191880576.

The previous prime is 431402039. The next prime is 431402071. The reversal of 431402055 is 550204134.

431402055 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (431402039) and next prime (431402071).

It is not a de Polignac number, because 431402055 - 2⁴ = 431402039 is a prime.

It is a super-2 number, since 2×431402055² = 372215466116446050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51637 + ... + 59406.

It is an arithmetic number, because the mean of its divisors is an integer number (25318032).

Almost surely, 2^431402055 is an apocalyptic number.

431402055 is a deficient number, since it is larger than the sum of its proper divisors (378774969).

431402055 is a wasteful number, since it uses less digits than its factorization.

431402055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111095.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 431402055 is about 20770.2203888163. The cubic root of 431402055 is about 755.6036894996.

Adding to 431402055 its reverse (550204134), we get a palindrome (981606189).

The spelling of 431402055 in words is "four hundred thirty-one million, four hundred two thousand, fifty-five".