312703027340 has 72 divisors (see below), whose sum is σ = 722642497920. Its totient is φ = 113577671680.

The previous prime is 312703027339. The next prime is 312703027363. The reversal of 312703027340 is 43720307213.

It is a junction number, because it is equal to n+sod(n) for n = 312703027297 and 312703027306.

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, 2013596 + ... + 2163324.

It is an arithmetic number, because the mean of its divisors is an integer number (10036701360).

Almost surely, 2^312703027340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312703027340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361321248960).

312703027340 is an abundant number, since it is smaller than the sum of its proper divisors (409939470580).

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

312703027340 is a wasteful number, since it uses less digits than its factorization.

312703027340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150623 (or 150610 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 32.

The spelling of 312703027340 in words is "three hundred twelve billion, seven hundred three million, twenty-seven thousand, three hundred forty".