312305276336 has 40 divisors (see below), whose sum is σ = 641460260880. Its totient is φ = 146789371904.

The previous prime is 312305276321. The next prime is 312305276357. The reversal of 312305276336 is 633672503213.

It is a junction number, because it is equal to n+sod(n) for n = 312305276293 and 312305276302.

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, 469241 + ... + 919128.

It is an arithmetic number, because the mean of its divisors is an integer number (16036506522).

Almost surely, 2^312305276336 is an apocalyptic number.

It is an amenable number.

312305276336 is an abundant number, since it is smaller than the sum of its proper divisors (329154984544).

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

312305276336 is a wasteful number, since it uses less digits than its factorization.

312305276336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389221 (or 1389215 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 41.

Adding to 312305276336 its reverse (633672503213), we get a palindrome (945977779549).

The spelling of 312305276336 in words is "three hundred twelve billion, three hundred five million, two hundred seventy-six thousand, three hundred thirty-six".