311400120550346 has 48 divisors (see below), whose sum is σ = 488538996956640. Its totient is φ = 148855140598560.

The previous prime is 311400120550327. The next prime is 311400120550417. The reversal of 311400120550346 is 643055021004113.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32292862601 + ... + 32292872243.

It is an arithmetic number, because the mean of its divisors is an integer number (10177895769930).

Almost surely, 2^{311400120550346} is an apocalyptic number.

311400120550346 is a deficient number, since it is larger than the sum of its proper divisors (177138876406294).

311400120550346 is a wasteful number, since it uses less digits than its factorization.

311400120550346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21971 (or 21948 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 311400120550346 its reverse (643055021004113), we get a palindrome (954455141554459).

The spelling of 311400120550346 in words is "three hundred eleven trillion, four hundred billion, one hundred twenty million, five hundred fifty thousand, three hundred forty-six".