311441111210440 has 32 divisors (see below), whose sum is σ = 741962647297080. Its totient is φ = 117248418337792.

The previous prime is 311441111210387. The next prime is 311441111210473. The reversal of 311441111210440 is 44012111144113.

It can be written as a sum of positive squares in 4 ways, for example, as 307323969912964 + 4117141297476 = 17530658^2 + 2029074^2 .

It is a junction number, because it is equal to n+sod(n) for n = 311441111210399 and 311441111210408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229000816387 + ... + 229000817746.

Almost surely, 2^{311441111210440} is an apocalyptic number.

It is an amenable number.

311441111210440 is an abundant number, since it is smaller than the sum of its proper divisors (430521536086640).

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

311441111210440 is a wasteful number, since it uses less digits than its factorization.

311441111210440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458001634161 (or 458001634157 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

Adding to 311441111210440 its reverse (44012111144113), we get a palindrome (355453222354553).

The spelling of 311441111210440 in words is "three hundred eleven trillion, four hundred forty-one billion, one hundred eleven million, two hundred ten thousand, four hundred forty".