312141221440302 has 32 divisors (see below), whose sum is σ = 625985038212480. Its totient is φ = 103763631679200.

The previous prime is 312141221440283. The next prime is 312141221440309. The reversal of 312141221440302 is 203044122141213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 312141221440302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312141221440309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36611824 + ... + 44325027.

It is an arithmetic number, because the mean of its divisors is an integer number (19562032444140).

Almost surely, 2^{312141221440302} is an apocalyptic number.

312141221440302 is an abundant number, since it is smaller than the sum of its proper divisors (313843816772178).

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

312141221440302 is a wasteful number, since it uses less digits than its factorization.

312141221440302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80938608.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 312141221440302 its reverse (203044122141213), we get a palindrome (515185343581515).

The spelling of 312141221440302 in words is "three hundred twelve trillion, one hundred forty-one billion, two hundred twenty-one million, four hundred forty thousand, three hundred two".