309397306097 has 8 divisors (see below), whose sum is σ = 339237657792. Its totient is φ = 279842508400.

The previous prime is 309397306081. The next prime is 309397306103. The reversal of 309397306097 is 790603793903.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 309397306097 - 2⁴ = 309397306081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (309397306297) 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, 71386229 + ... + 71390562.

It is an arithmetic number, because the mean of its divisors is an integer number (42404707224).

Almost surely, 2^309397306097 is an apocalyptic number.

It is an amenable number.

309397306097 is a deficient number, since it is larger than the sum of its proper divisors (29840351695).

309397306097 is a wasteful number, since it uses less digits than its factorization.

309397306097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142776999.

The product of its (nonzero) digits is 5786802, while the sum is 56.

The spelling of 309397306097 in words is "three hundred nine billion, three hundred ninety-seven million, three hundred six thousand, ninety-seven".