345242131 has 8 divisors (see below), whose sum is σ = 375211760. Its totient is φ = 315760032.

The previous prime is 345242111. The next prime is 345242147. The reversal of 345242131 is 131242543.

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 345242131 - 2¹¹ = 345240083 is a prime.

It is a super-2 number, since 2×345242131² = 238384258034842322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345242096 and 345242105.

It is not an unprimeable number, because it can be changed into a prime (345242111) 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, 120405 + ... + 123238.

It is an arithmetic number, because the mean of its divisors is an integer number (46901470).

Almost surely, 2^345242131 is an apocalyptic number.

345242131 is a deficient number, since it is larger than the sum of its proper divisors (29969629).

345242131 is a wasteful number, since it uses less digits than its factorization.

345242131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243765.

The product of its digits is 2880, while the sum is 25.

The square root of 345242131 is about 18580.6924252031. The cubic root of 345242131 is about 701.5219477498.

Adding to 345242131 its reverse (131242543), we get a palindrome (476484674).

The spelling of 345242131 in words is "three hundred forty-five million, two hundred forty-two thousand, one hundred thirty-one".