231430020322 has 16 divisors (see below), whose sum is σ = 355855903200. Its totient is φ = 112815257760.

The previous prime is 231430020307. The next prime is 231430020329. The reversal of 231430020322 is 223020034132.

It is a junction number, because it is equal to n+sod(n) for n = 231430020293 and 231430020302.

It is not an unprimeable number, because it can be changed into a prime (231430020329) 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, 847572 + ... + 1086847.

It is an arithmetic number, because the mean of its divisors is an integer number (22240993950).

Almost surely, 2^231430020322 is an apocalyptic number.

231430020322 is a deficient number, since it is larger than the sum of its proper divisors (124425882878).

231430020322 is a wasteful number, since it uses less digits than its factorization.

231430020322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935921.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 231430020322 its reverse (223020034132), we get a palindrome (454450054454).

The spelling of 231430020322 in words is "two hundred thirty-one billion, four hundred thirty million, twenty thousand, three hundred twenty-two".