213021302431142 has 8 divisors (see below), whose sum is σ = 330550296876000. Its totient is φ = 102837870139144.

The previous prime is 213021302430983. The next prime is 213021302431219. The reversal of 213021302431142 is 241134203120312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

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, 1836390538142 + ... + 1836390538257.

It is an arithmetic number, because the mean of its divisors is an integer number (41318787109500).

Almost surely, 2^{213021302431142} is an apocalyptic number.

213021302431142 is a deficient number, since it is larger than the sum of its proper divisors (117528994444858).

213021302431142 is a wasteful number, since it uses less digits than its factorization.

213021302431142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672781076430.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 213021302431142 its reverse (241134203120312), we get a palindrome (454155505551454).

The spelling of 213021302431142 in words is "two hundred thirteen trillion, twenty-one billion, three hundred two million, four hundred thirty-one thousand, one hundred forty-two".