311433421210342 has 32 divisors (see below), whose sum is σ = 483152090250240. Its totient is φ = 150402166256160.

The previous prime is 311433421210337. The next prime is 311433421210349. The reversal of 311433421210342 is 243012124334113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 311433421210298 and 311433421210307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311433421210349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2176977688 + ... + 2177120740.

It is an arithmetic number, because the mean of its divisors is an integer number (15098502820320).

Almost surely, 2^{311433421210342} is an apocalyptic number.

311433421210342 is a deficient number, since it is larger than the sum of its proper divisors (171718669039898).

311433421210342 is a wasteful number, since it uses less digits than its factorization.

311433421210342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210748.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 311433421210342 its reverse (243012124334113), we get a palindrome (554445545544455).

The spelling of 311433421210342 in words is "three hundred eleven trillion, four hundred thirty-three billion, four hundred twenty-one million, two hundred ten thousand, three hundred forty-two".