231341434 has 16 divisors (see below), whose sum is σ = 357305256. Its totient is φ = 112268800.

The previous prime is 231341431. The next prime is 231341447. The reversal of 231341434 is 434143132.

It can be written as a sum of positive squares in 4 ways, for example, as 136960209 + 94381225 = 11703^2 + 9715^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231341399 and 231341408.

It is not an unprimeable number, because it can be changed into a prime (231341431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8994 + ... + 23314.

Almost surely, 2^231341434 is an apocalyptic number.

231341434 is a deficient number, since it is larger than the sum of its proper divisors (125963822).

231341434 is a wasteful number, since it uses less digits than its factorization.

231341434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14561.

The product of its digits is 3456, while the sum is 25.

The square root of 231341434 is about 15209.9123600368. The cubic root of 231341434 is about 613.8813993534.

Adding to 231341434 its reverse (434143132), we get a palindrome (665484566).

The spelling of 231341434 in words is "two hundred thirty-one million, three hundred forty-one thousand, four hundred thirty-four".