311530111342 has 8 divisors (see below), whose sum is σ = 467985413016. Its totient is φ = 155534973672.

The previous prime is 311530111313. The next prime is 311530111363. The reversal of 311530111342 is 243111035113.

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

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, 115039308 + ... + 115042015.

It is an arithmetic number, because the mean of its divisors is an integer number (58498176627).

Almost surely, 2^311530111342 is an apocalyptic number.

311530111342 is a deficient number, since it is larger than the sum of its proper divisors (156455301674).

311530111342 is a wasteful number, since it uses less digits than its factorization.

311530111342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230082002.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 311530111342 its reverse (243111035113), we get a palindrome (554641146455).

The spelling of 311530111342 in words is "three hundred eleven billion, five hundred thirty million, one hundred eleven thousand, three hundred forty-two".