345130331 has 8 divisors (see below), whose sum is σ = 424775904. Its totient is φ = 273070080.

The previous prime is 345130301. The next prime is 345130337. The reversal of 345130331 is 133031543.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 345130331 - 2¹⁰ = 345129307 is a prime.

It is a super-3 number, since 3×345130331³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 345130297 and 345130306.

It is not an unprimeable number, because it can be changed into a prime (345130337) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1896230 + ... + 1896411.

It is an arithmetic number, because the mean of its divisors is an integer number (53096988).

Almost surely, 2^345130331 is an apocalyptic number.

345130331 is a deficient number, since it is larger than the sum of its proper divisors (79645573).

345130331 is a wasteful number, since it uses less digits than its factorization.

345130331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792661.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 345130331 is about 18577.6836823109. The cubic root of 345130331 is about 701.4462147939.

Adding to 345130331 its reverse (133031543), we get a palindrome (478161874).

The spelling of 345130331 in words is "three hundred forty-five million, one hundred thirty thousand, three hundred thirty-one".