311331044234 has 32 divisors (see below), whose sum is σ = 557065403136. Its totient is φ = 127591960320.

The previous prime is 311331044209. The next prime is 311331044273. The reversal of 311331044234 is 432440133113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 311331044197 and 311331044206.

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, 1082504 + ... + 1339580.

It is an arithmetic number, because the mean of its divisors is an integer number (17408293848).

Almost surely, 2^311331044234 is an apocalyptic number.

311331044234 is a deficient number, since it is larger than the sum of its proper divisors (245734358902).

311331044234 is a wasteful number, since it uses less digits than its factorization.

311331044234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260870.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 311331044234 its reverse (432440133113), we get a palindrome (743771177347).

The spelling of 311331044234 in words is "three hundred eleven billion, three hundred thirty-one million, forty-four thousand, two hundred thirty-four".