311122403134 has 16 divisors (see below), whose sum is σ = 469511951328. Its totient is φ = 154618553952.

The previous prime is 311122403129. The next prime is 311122403147. The reversal of 311122403134 is 431304221113.

It is a junction number, because it is equal to n+sod(n) for n = 311122403099 and 311122403108.

It is a congruent number.

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, 6521632 + ... + 6569164.

It is an arithmetic number, because the mean of its divisors is an integer number (29344496958).

Almost surely, 2^311122403134 is an apocalyptic number.

311122403134 is a deficient number, since it is larger than the sum of its proper divisors (158389548194).

311122403134 is a wasteful number, since it uses less digits than its factorization.

311122403134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67299.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 311122403134 its reverse (431304221113), we get a palindrome (742426624247).

The spelling of 311122403134 in words is "three hundred eleven billion, one hundred twenty-two million, four hundred three thousand, one hundred thirty-four".