311240334530045 has 32 divisors (see below), whose sum is σ = 381549476464128. Its totient is φ = 243621411637248.

The previous prime is 311240334530003. The next prime is 311240334530071. The reversal of 311240334530045 is 540035433042113.

It is a cyclic number.

It is not a de Polignac number, because 311240334530045 - 2²⁴ = 311240317752829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311240334529990 and 311240334530008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21034008587 + ... + 21034023383.

It is an arithmetic number, because the mean of its divisors is an integer number (11923421139504).

Almost surely, 2^{311240334530045} is an apocalyptic number.

It is an amenable number.

311240334530045 is a deficient number, since it is larger than the sum of its proper divisors (70309141934083).

311240334530045 is a wasteful number, since it uses less digits than its factorization.

311240334530045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35669.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 311240334530045 its reverse (540035433042113), we get a palindrome (851275767572158).

The spelling of 311240334530045 in words is "three hundred eleven trillion, two hundred forty billion, three hundred thirty-four million, five hundred thirty thousand, forty-five".