312403078250532 has 144 divisors (see below), whose sum is σ = 836780484181824. Its totient is φ = 97933473792000.

The previous prime is 312403078250531. The next prime is 312403078250537. The reversal of 312403078250532 is 235052870304213.

It is a happy number.

312403078250532 is a `hidden beast` number, since 3 + 1 + 2 + 4 + 0 + 30 + 7 + 82 + 5 + 0 + 532 = 666.

It is not an unprimeable number, because it can be changed into a prime (312403078250531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12293996907 + ... + 12294022317.

It is an arithmetic number, because the mean of its divisors is an integer number (5810975584596).

Almost surely, 2^{312403078250532} 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 312403078250532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418390242090912).

312403078250532 is an abundant number, since it is smaller than the sum of its proper divisors (524377405931292).

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

312403078250532 is a wasteful number, since it uses less digits than its factorization.

312403078250532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40090 (or 40085 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 312403078250532 in words is "three hundred twelve trillion, four hundred three billion, seventy-eight million, two hundred fifty thousand, five hundred thirty-two".