345365331 has 8 divisors (see below), whose sum is σ = 469175760. Its totient is φ = 225899232.

The previous prime is 345365329. The next prime is 345365341. The reversal of 345365331 is 133563543.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345365331 - 2¹ = 345365329 is a prime.

It is a super-2 number, since 2×345365331² = 238554423713479122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 345365292 and 345365301.

It is not an unprimeable number, because it can be changed into a prime (345365341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085896 + ... + 1086213.

It is an arithmetic number, because the mean of its divisors is an integer number (58646970).

Almost surely, 2^345365331 is an apocalyptic number.

345365331 is a deficient number, since it is larger than the sum of its proper divisors (123810429).

345365331 is a wasteful number, since it uses less digits than its factorization.

345365331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172165.

The product of its digits is 48600, while the sum is 33.

The square root of 345365331 is about 18584.0073988362. The cubic root of 345365331 is about 701.6053840956.

It can be divided in two parts, 345365 and 331, that added together give a triangular number (345696 = T₈₃₁).

The spelling of 345365331 in words is "three hundred forty-five million, three hundred sixty-five thousand, three hundred thirty-one".