231302321434 has 8 divisors (see below), whose sum is σ = 347056354260. Its totient is φ = 115616870016.

The previous prime is 231302321381. The next prime is 231302321449. The reversal of 231302321434 is 434123203132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 180408315025 + 50894006409 = 424745^2 + 225597^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17136919 + ... + 17150410.

Almost surely, 2^231302321434 is an apocalyptic number.

231302321434 is a deficient number, since it is larger than the sum of its proper divisors (115754032826).

231302321434 is a wasteful number, since it uses less digits than its factorization.

231302321434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34290704.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 231302321434 its reverse (434123203132), we get a palindrome (665425524566).

The spelling of 231302321434 in words is "two hundred thirty-one billion, three hundred two million, three hundred twenty-one thousand, four hundred thirty-four".