345031353 has 16 divisors (see below), whose sum is σ = 511608960. Its totient is φ = 229817808.

The previous prime is 345031343. The next prime is 345031363. The reversal of 345031353 is 353130543.

It is a happy number.

345031353 is a `hidden beast` number, since 345 + 0 + 313 + 5 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (345031343) and next prime (345031363).

It is not a de Polignac number, because 345031353 - 2⁵ = 345031321 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (345031343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29476 + ... + 39482.

It is an arithmetic number, because the mean of its divisors is an integer number (31975560).

Almost surely, 2^345031353 is an apocalyptic number.

It is an amenable number.

345031353 is a deficient number, since it is larger than the sum of its proper divisors (166577607).

345031353 is a wasteful number, since it uses less digits than its factorization.

345031353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11293 (or 11287 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 345031353 is about 18575.0195962212. The cubic root of 345031353 is about 701.3791537687.

Adding to 345031353 its reverse (353130543), we get a palindrome (698161896).

The spelling of 345031353 in words is "three hundred forty-five million, thirty-one thousand, three hundred fifty-three".