31304221314144 has 48 divisors (see below), whose sum is σ = 82317998634480. Its totient is φ = 10416401684480.

The previous prime is 31304221314137. The next prime is 31304221314151. The reversal of 31304221314144 is 44141312240313.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31304221314137) and next prime (31304221314151).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286488117 + ... + 286597364.

It is an arithmetic number, because the mean of its divisors is an integer number (1714958304885).

Almost surely, 2^{31304221314144} is an apocalyptic number.

It is an amenable number.

31304221314144 is an abundant number, since it is smaller than the sum of its proper divisors (51013777320336).

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

31304221314144 is a wasteful number, since it uses less digits than its factorization.

31304221314144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573086063 (or 573086055 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 31304221314144 its reverse (44141312240313), we get a palindrome (75445533554457).

The spelling of 31304221314144 in words is "thirty-one trillion, three hundred four billion, two hundred twenty-one million, three hundred fourteen thousand, one hundred forty-four".