214221431331142 has 8 divisors (see below), whose sum is σ = 321382966586616. Its totient is φ = 107093775802272.

The previous prime is 214221431331119. The next prime is 214221431331169. The reversal of 214221431331142 is 241133134122412.

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

It is a junction number, because it is equal to n+sod(n) for n = 214221431331098 and 214221431331107.

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, 8469915843 + ... + 8469941134.

It is an arithmetic number, because the mean of its divisors is an integer number (40172870823327).

Almost surely, 2^{214221431331142} is an apocalyptic number.

214221431331142 is a deficient number, since it is larger than the sum of its proper divisors (107161535255474).

214221431331142 is a wasteful number, since it uses less digits than its factorization.

214221431331142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16939863302.

The product of its digits is 27648, while the sum is 34.

Adding to 214221431331142 its reverse (241133134122412), we get a palindrome (455354565453554).

The spelling of 214221431331142 in words is "two hundred fourteen trillion, two hundred twenty-one billion, four hundred thirty-one million, three hundred thirty-one thousand, one hundred forty-two".