30309697097 has 8 divisors (see below), whose sum is σ = 30357105480. Its totient is φ = 30262314880.

The previous prime is 30309697073. The next prime is 30309697133. The reversal of 30309697097 is 79079690303.

It can be written as a sum of positive squares in 4 ways, for example, as 1971004816 + 28338692281 = 44396^2 + 168341^2 .

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 30309697097 - 2⁸ = 30309696841 is a prime.

It is a super-2 number, since 2×30309697097² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30309697007) 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, 4602347 + ... + 4608927.

It is an arithmetic number, because the mean of its divisors is an integer number (3794638185).

Almost surely, 2^30309697097 is an apocalyptic number.

It is an amenable number.

30309697097 is a deficient number, since it is larger than the sum of its proper divisors (47408383).

30309697097 is an equidigital number, since it uses as much as digits as its factorization.

30309697097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13083.

The product of its (nonzero) digits is 1928934, while the sum is 53.

The spelling of 30309697097 in words is "thirty billion, three hundred nine million, six hundred ninety-seven thousand, ninety-seven".