231303212409 has 8 divisors (see below), whose sum is σ = 308409811840. Its totient is φ = 154199377296.

The previous prime is 231303212381. The next prime is 231303212443. The reversal of 231303212409 is 904212303132.

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

It is not a de Polignac number, because 231303212409 - 2⁹ = 231303211897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231303212449) 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, 487249 + ... + 836670.

It is an arithmetic number, because the mean of its divisors is an integer number (38551226480).

Almost surely, 2^231303212409 is an apocalyptic number.

It is an amenable number.

231303212409 is a deficient number, since it is larger than the sum of its proper divisors (77106599431).

231303212409 is a wasteful number, since it uses less digits than its factorization.

231303212409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382159.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 231303212409 in words is "two hundred thirty-one billion, three hundred three million, two hundred twelve thousand, four hundred nine".