231430212232 has 16 divisors (see below), whose sum is σ = 459457039260. Its totient is φ = 108908335104.

The previous prime is 231430212187. The next prime is 231430212241. The reversal of 231430212232 is 232212034132.

It can be written as a sum of positive squares in 2 ways, for example, as 223137195876 + 8293016356 = 472374^2 + 91066^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231430212197 and 231430212206.

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, 850846233 + ... + 850846504.

Almost surely, 2^231430212232 is an apocalyptic number.

It is an amenable number.

231430212232 is a deficient number, since it is larger than the sum of its proper divisors (228026827028).

231430212232 is a wasteful number, since it uses less digits than its factorization.

231430212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701692760 (or 1701692756 counting only the distinct ones).

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

Adding to 231430212232 its reverse (232212034132), we get a palindrome (463642246364).

The spelling of 231430212232 in words is "two hundred thirty-one billion, four hundred thirty million, two hundred twelve thousand, two hundred thirty-two".