210231432042 has 32 divisors (see below), whose sum is σ = 445649081472. Its totient is φ = 65887832064.

The previous prime is 210231432013. The next prime is 210231432067. The reversal of 210231432042 is 240234132012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948103 + ... + 1148634.

It is an arithmetic number, because the mean of its divisors is an integer number (13926533796).

Almost surely, 2^210231432042 is an apocalyptic number.

210231432042 is an abundant number, since it is smaller than the sum of its proper divisors (235417649430).

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

210231432042 is a wasteful number, since it uses less digits than its factorization.

210231432042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097742.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 210231432042 its reverse (240234132012), we get a palindrome (450465564054).

The spelling of 210231432042 in words is "two hundred ten billion, two hundred thirty-one million, four hundred thirty-two thousand, forty-two".