345231003 has 12 divisors (see below), whose sum is σ = 498440760. Its totient is φ = 212449536.

The previous prime is 345231001. The next prime is 345231023. The reversal of 345231003 is 300132543.

It is not a de Polignac number, because 345231003 - 2¹ = 345231001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345231001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339958 + ... + 340971.

It is an arithmetic number, because the mean of its divisors is an integer number (41536730).

Almost surely, 2^345231003 is an apocalyptic number.

345231003 is a deficient number, since it is larger than the sum of its proper divisors (153209757).

345231003 is a wasteful number, since it uses less digits than its factorization.

345231003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680958 (or 680945 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 345231003 is about 18580.3929721629. The cubic root of 345231003 is about 701.5144104116.

Adding to 345231003 its reverse (300132543), we get a palindrome (645363546).

The spelling of 345231003 in words is "three hundred forty-five million, two hundred thirty-one thousand, three".