231970409097 has 8 divisors (see below), whose sum is σ = 353478718656. Its totient is φ = 132554519472.

The previous prime is 231970409087. The next prime is 231970409117. The reversal of 231970409097 is 790904079132.

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

It is not a de Polignac number, because 231970409097 - 2⁸ = 231970408841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231970409017) 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, 5523104958 + ... + 5523104999.

It is an arithmetic number, because the mean of its divisors is an integer number (44184839832).

Almost surely, 2^231970409097 is an apocalyptic number.

It is an amenable number.

231970409097 is a deficient number, since it is larger than the sum of its proper divisors (121508309559).

231970409097 is a wasteful number, since it uses less digits than its factorization.

231970409097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11046209967.

The product of its (nonzero) digits is 857304, while the sum is 51.

The spelling of 231970409097 in words is "two hundred thirty-one billion, nine hundred seventy million, four hundred nine thousand, ninety-seven".