311432011423340 has 24 divisors (see below), whose sum is σ = 671683094909232. Its totient is φ = 121205972013120.

The previous prime is 311432011423261. The next prime is 311432011423439. The reversal of 311432011423340 is 43324110234113.

It is a junction number, because it is equal to n+sod(n) for n = 311432011423297 and 311432011423306.

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, 210427034006 + ... + 210427035485.

It is an arithmetic number, because the mean of its divisors is an integer number (27986795621218).

Almost surely, 2^{311432011423340} is an apocalyptic number.

It is an amenable number.

311432011423340 is an abundant number, since it is smaller than the sum of its proper divisors (360251083485892).

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

311432011423340 is a wasteful number, since it uses less digits than its factorization.

311432011423340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420854069537 (or 420854069535 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 311432011423340 its reverse (43324110234113), we get a palindrome (354756121657453).

The spelling of 311432011423340 in words is "three hundred eleven trillion, four hundred thirty-two billion, eleven million, four hundred twenty-three thousand, three hundred forty".