1345206313 has 32 divisors (see below), whose sum is σ = 1568056320. Its totient is φ = 1141968960.

The previous prime is 1345206287. The next prime is 1345206341. The reversal of 1345206313 is 3136025431.

It is a de Polignac number, because none of the positive numbers 2^k-1345206313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345206613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3388231 + ... + 3388627.

It is an arithmetic number, because the mean of its divisors is an integer number (49001760).

Almost surely, 2^1345206313 is an apocalyptic number.

It is an amenable number.

1345206313 is a deficient number, since it is larger than the sum of its proper divisors (222850007).

1345206313 is a wasteful number, since it uses less digits than its factorization.

1345206313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1345206313 is about 36677.0543119264. The cubic root of 1345206313 is about 1103.8997430595.

The spelling of 1345206313 in words is "one billion, three hundred forty-five million, two hundred six thousand, three hundred thirteen".