345331000 has 64 divisors (see below), whose sum is σ = 923532480. Its totient is φ = 118396800.

The previous prime is 345330983. The next prime is 345331031. The reversal of 345331000 is 133543.

It is a super-2 number, since 2×345331000² = 238506999122000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17667 + ... + 31666.

It is an arithmetic number, because the mean of its divisors is an integer number (14430195).

Almost surely, 2^345331000 is an apocalyptic number.

It is an amenable number.

345331000 is an abundant number, since it is smaller than the sum of its proper divisors (578201480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345331000 is a wasteful number, since it uses less digits than its factorization.

345331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49361 (or 49347 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 345331000 is about 18583.0837053488. The cubic root of 345331000 is about 701.5821356584.

Adding to 345331000 its reverse (133543), we get a palindrome (345464543).

It can be divided in two parts, 3453 and 31000, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 345331000 in words is "three hundred forty-five million, three hundred thirty-one thousand".