354343431 has 16 divisors (see below), whose sum is σ = 526347360. Its totient is φ = 210537600.

The previous prime is 354343421. The next prime is 354343453. The reversal of 354343431 is 134343453.

It is not a de Polignac number, because 354343431 - 2⁵ = 354343399 is a prime.

It is a super-2 number, since 2×354343431² = 251118534185703522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354343421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155520 + ... + 157781.

It is an arithmetic number, because the mean of its divisors is an integer number (32896710).

Almost surely, 2^354343431 is an apocalyptic number.

354343431 is a deficient number, since it is larger than the sum of its proper divisors (172003929).

354343431 is a wasteful number, since it uses less digits than its factorization.

354343431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313346.

The product of its digits is 25920, while the sum is 30.

The square root of 354343431 is about 18824.0120856315. The cubic root of 354343431 is about 707.6330829658.

Adding to 354343431 its reverse (134343453), we get a palindrome (488686884).

The spelling of 354343431 in words is "three hundred fifty-four million, three hundred forty-three thousand, four hundred thirty-one".