431042354 has 4 divisors (see below), whose sum is σ = 646563534. Its totient is φ = 215521176.

The previous prime is 431042347. The next prime is 431042357. The reversal of 431042354 is 453240134.

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

It can be written as a sum of positive squares in only one way, i.e., 423330625 + 7711729 = 20575^2 + 2777^2 .

It is a super-2 number, since 2×431042354² = 371595021883722632, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (431042357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107760587 + ... + 107760590.

Almost surely, 2^431042354 is an apocalyptic number.

431042354 is a deficient number, since it is larger than the sum of its proper divisors (215521180).

431042354 is a wasteful number, since it uses less digits than its factorization.

431042354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215521179.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 431042354 is about 20761.5595271646. The cubic root of 431042354 is about 755.3936248403.

Adding to 431042354 its reverse (453240134), we get a palindrome (884282488).

It can be divided in two parts, 4310 and 42354, that added together give a palindrome (46664).

The spelling of 431042354 in words is "four hundred thirty-one million, forty-two thousand, three hundred fifty-four".