343451003 has 4 divisors (see below), whose sum is σ = 392515440. Its totient is φ = 294386568.

The previous prime is 343450981. The next prime is 343451021. The reversal of 343451003 is 300154343.

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

It is not a de Polignac number, because 343451003 - 2⁸ = 343450747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343451003.

It is not an unprimeable number, because it can be changed into a prime (343451023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24532208 + ... + 24532221.

It is an arithmetic number, because the mean of its divisors is an integer number (98128860).

Almost surely, 2^343451003 is an apocalyptic number.

343451003 is a deficient number, since it is larger than the sum of its proper divisors (49064437).

343451003 is an equidigital number, since it uses as much as digits as its factorization.

343451003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49064436.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 343451003 is about 18532.4311141307. The cubic root of 343451003 is about 700.3066703898.

The spelling of 343451003 in words is "three hundred forty-three million, four hundred fifty-one thousand, three".