312403342102340 has 96 divisors (see below), whose sum is σ = 679544169486336. Its totient is φ = 120557692241280.

The previous prime is 312403342102309. The next prime is 312403342102367. The reversal of 312403342102340 is 43201243304213.

It is a junction number, because it is equal to n+sod(n) for n = 312403342102297 and 312403342102306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319508405 + ... + 320484675.

It is an arithmetic number, because the mean of its divisors is an integer number (7078585098816).

Almost surely, 2^{312403342102340} 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 312403342102340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339772084743168).

312403342102340 is an abundant number, since it is smaller than the sum of its proper divisors (367140827383996).

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

312403342102340 is a wasteful number, since it uses less digits than its factorization.

312403342102340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980889 (or 980887 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 312403342102340 its reverse (43201243304213), we get a palindrome (355604585406553).

The spelling of 312403342102340 in words is "three hundred twelve trillion, four hundred three billion, three hundred forty-two million, one hundred two thousand, three hundred forty".