97310123213 has 4 divisors (see below), whose sum is σ = 97310892000. Its totient is φ = 97309354428.

The previous prime is 97310123179. The next prime is 97310123221. The reversal of 97310123213 is 31232101379.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 97310123213 - 2¹² = 97310119117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97310123213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97310123243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144713 + ... + 464286.

It is an arithmetic number, because the mean of its divisors is an integer number (24327723000).

Almost surely, 2^97310123213 is an apocalyptic number.

It is an amenable number.

97310123213 is a deficient number, since it is larger than the sum of its proper divisors (768787).

97310123213 is a wasteful number, since it uses less digits than its factorization.

97310123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768786.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 97310123213 in words is "ninety-seven billion, three hundred ten million, one hundred twenty-three thousand, two hundred thirteen".