31448793174420 has 192 divisors, whose sum is σ = 93960048107520. Its totient is φ = 7831961905152.

The previous prime is 31448793174419. The next prime is 31448793174443. The reversal of 31448793174420 is 2447139784413.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84348529 + ... + 84720551.

It is an arithmetic number, because the mean of its divisors is an integer number (489375250560).

Almost surely, 2^{31448793174420} is an apocalyptic number.

31448793174420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31448793174420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46980024053760).

31448793174420 is an abundant number, since it is smaller than the sum of its proper divisors (62511254933100).

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

31448793174420 is a wasteful number, since it uses less digits than its factorization.

31448793174420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372694 (or 372692 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 57.

The spelling of 31448793174420 in words is "thirty-one trillion, four hundred forty-eight billion, seven hundred ninety-three million, one hundred seventy-four thousand, four hundred twenty".