311432201210042 has 32 divisors (see below), whose sum is σ = 519251554715904. Its totient is φ = 138883843883200.

The previous prime is 311432201210021. The next prime is 311432201210059. The reversal of 311432201210042 is 240012102234113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 311432201209993 and 311432201210020.

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, 25534943 + ... + 35705709.

It is an arithmetic number, because the mean of its divisors is an integer number (16226611084872).

Almost surely, 2^{311432201210042} is an apocalyptic number.

311432201210042 is a deficient number, since it is larger than the sum of its proper divisors (207819353505862).

311432201210042 is a wasteful number, since it uses less digits than its factorization.

311432201210042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10197094.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 311432201210042 its reverse (240012102234113), we get a palindrome (551444303444155).

The spelling of 311432201210042 in words is "three hundred eleven trillion, four hundred thirty-two billion, two hundred one million, two hundred ten thousand, forty-two".