213100231430432 has 24 divisors (see below), whose sum is σ = 430880028756156. Its totient is φ = 103670382857472.

The previous prime is 213100231430423. The next prime is 213100231430453. The reversal of 213100231430432 is 234034132001312.

It can be written as a sum of positive squares in 2 ways, for example, as 183783681075856 + 29316550354576 = 13556684^2 + 5414476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213100231430395 and 213100231430404.

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, 89991650603 + ... + 89991652970.

Almost surely, 2^{213100231430432} is an apocalyptic number.

It is an amenable number.

213100231430432 is an abundant number, since it is smaller than the sum of its proper divisors (217779797325724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213100231430432 is a wasteful number, since it uses less digits than its factorization.

213100231430432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179983303620 (or 179983303612 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 213100231430432 its reverse (234034132001312), we get a palindrome (447134363431744).

The spelling of 213100231430432 in words is "two hundred thirteen trillion, one hundred billion, two hundred thirty-one million, four hundred thirty thousand, four hundred thirty-two".