213031421432 has 16 divisors (see below), whose sum is σ = 399582499200. Its totient is φ = 106476088320.

The previous prime is 213031421333. The next prime is 213031421443. The reversal of 213031421432 is 234124130312.

213031421432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4929944 + ... + 4972967.

It is an arithmetic number, because the mean of its divisors is an integer number (24973906200).

Almost surely, 2^213031421432 is an apocalyptic number.

It is an amenable number.

213031421432 is a deficient number, since it is larger than the sum of its proper divisors (186551077768).

213031421432 is a wasteful number, since it uses less digits than its factorization.

213031421432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905606 (or 9905602 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 213031421432 its reverse (234124130312), we get a palindrome (447155551744).

The spelling of 213031421432 in words is "two hundred thirteen billion, thirty-one million, four hundred twenty-one thousand, four hundred thirty-two".