345433531 has 4 divisors (see below), whose sum is σ = 350298864. Its totient is φ = 340568200.

The previous prime is 345433513. The next prime is 345433537. The reversal of 345433531 is 135334543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135334543 = 1777 ⋅76159.

It is a cyclic number.

It is not a de Polignac number, because 345433531 - 2⁵ = 345433499 is a prime.

It is a super-2 number, since 2×345433531² = 238648648678255922, 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 = 345433493 and 345433502.

It is not an unprimeable number, because it can be changed into a prime (345433537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2432560 + ... + 2432701.

It is an arithmetic number, because the mean of its divisors is an integer number (87574716).

Almost surely, 2^345433531 is an apocalyptic number.

345433531 is a deficient number, since it is larger than the sum of its proper divisors (4865333).

345433531 is an equidigital number, since it uses as much as digits as its factorization.

345433531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865332.

The product of its digits is 32400, while the sum is 31.

The square root of 345433531 is about 18585.8422192808. The cubic root of 345433531 is about 701.6515635406.

The spelling of 345433531 in words is "three hundred forty-five million, four hundred thirty-three thousand, five hundred thirty-one".