311234034253440 has 128 divisors (see below), whose sum is σ = 1005648326884800. Its totient is φ = 81858814451712.

The previous prime is 311234034253403. The next prime is 311234034253487. The reversal of 311234034253440 is 44352430432113.

It is a tau number, because it is divible by the number of its divisors (128).

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, 1110141070 + ... + 1110421389.

Almost surely, 2^{311234034253440} is an apocalyptic number.

311234034253440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

311234034253440 is an abundant number, since it is smaller than the sum of its proper divisors (694414292631360).

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

311234034253440 is a wasteful number, since it uses less digits than its factorization.

311234034253440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220562554 (or 2220562542 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 311234034253440 its reverse (44352430432113), we get a palindrome (355586464685553).

The spelling of 311234034253440 in words is "three hundred eleven trillion, two hundred thirty-four billion, thirty-four million, two hundred fifty-three thousand, four hundred forty".