211431414342 has 16 divisors (see below), whose sum is σ = 425663246592. Its totient is φ = 70010401800.

The previous prime is 211431414331. The next prime is 211431414349. The reversal of 211431414342 is 243414134112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211431414349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116683098 + ... + 116684909.

It is an arithmetic number, because the mean of its divisors is an integer number (26603952912).

Almost surely, 2^211431414342 is an apocalyptic number.

211431414342 is an abundant number, since it is smaller than the sum of its proper divisors (214231832250).

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

211431414342 is a wasteful number, since it uses less digits than its factorization.

211431414342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233368163.

The product of its digits is 9216, while the sum is 30.

Adding to 211431414342 its reverse (243414134112), we get a palindrome (454845548454).

The spelling of 211431414342 in words is "two hundred eleven billion, four hundred thirty-one million, four hundred fourteen thousand, three hundred forty-two".