345532311 has 10 divisors (see below), whose sum is σ = 516165672. Its totient is φ = 230354820.

The previous prime is 345532301. The next prime is 345532321. The reversal of 345532311 is 113235543.

345532311 is a `hidden beast` number, since 345 + 5 + 3 + 2 + 311 = 666.

It is an interprime number because it is at equal distance from previous prime (345532301) and next prime (345532321).

It is not a de Polignac number, because 345532311 - 2⁶ = 345532247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345532301) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2132835 + ... + 2132996.

Almost surely, 2^345532311 is an apocalyptic number.

345532311 is a deficient number, since it is larger than the sum of its proper divisors (170633361).

345532311 is an equidigital number, since it uses as much as digits as its factorization.

345532311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265843 (or 4265834 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 345532311 is about 18588.4994284100. The cubic root of 345532311 is about 701.7184384767.

Adding to 345532311 its reverse (113235543), we get a palindrome (458767854).

It can be divided in two parts, 34553 and 2311, that added together give a square (36864 = 192²).

The spelling of 345532311 in words is "three hundred forty-five million, five hundred thirty-two thousand, three hundred eleven".