311134143342 has 32 divisors (see below), whose sum is σ = 679132460160. Its totient is φ = 94242194720.

The previous prime is 311134143311. The next prime is 311134143367. The reversal of 311134143342 is 243341431113.

It is a congruent number.

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, 868428 + ... + 1173215.

It is an arithmetic number, because the mean of its divisors is an integer number (21222889380).

Almost surely, 2^311134143342 is an apocalyptic number.

311134143342 is an abundant number, since it is smaller than the sum of its proper divisors (367998316818).

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

311134143342 is a wasteful number, since it uses less digits than its factorization.

311134143342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043968.

The product of its digits is 10368, while the sum is 30.

Adding to 311134143342 its reverse (243341431113), we get a palindrome (554475574455).

The spelling of 311134143342 in words is "three hundred eleven billion, one hundred thirty-four million, one hundred forty-three thousand, three hundred forty-two".