345491313 has 8 divisors (see below), whose sum is σ = 470456448. Its totient is φ = 225426864.

The previous prime is 345491309. The next prime is 345491317. The reversal of 345491313 is 313194543.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (345491309) and next prime (345491317).

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

It is not a de Polignac number, because 345491313 - 2² = 345491309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (345491317) 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, 1225006 + ... + 1225287.

It is an arithmetic number, because the mean of its divisors is an integer number (58807056).

Almost surely, 2^345491313 is an apocalyptic number.

It is an amenable number.

345491313 is a deficient number, since it is larger than the sum of its proper divisors (124965135).

345491313 is a wasteful number, since it uses less digits than its factorization.

345491313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450343.

The product of its digits is 19440, while the sum is 33.

The square root of 345491313 is about 18587.3966170629. The cubic root of 345491313 is about 701.6906840144.

The spelling of 345491313 in words is "three hundred forty-five million, four hundred ninety-one thousand, three hundred thirteen".