311310223314040 has 64 divisors (see below), whose sum is σ = 705339397854720. Its totient is φ = 123655098960000.

The previous prime is 311310223314023. The next prime is 311310223314089. The reversal of 311310223314040 is 40413322013113.

It is a super-2 number, since 2×311310223314040² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 7624135 + ... + 26091145.

It is an arithmetic number, because the mean of its divisors is an integer number (11020928091480).

Almost surely, 2^{311310223314040} is an apocalyptic number.

It is an amenable number.

311310223314040 is an abundant number, since it is smaller than the sum of its proper divisors (394029174540680).

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

311310223314040 is a wasteful number, since it uses less digits than its factorization.

311310223314040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18469964 (or 18469960 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 311310223314040 its reverse (40413322013113), we get a palindrome (351723545327153).

The spelling of 311310223314040 in words is "three hundred eleven trillion, three hundred ten billion, two hundred twenty-three million, three hundred fourteen thousand, forty".