31431224014393 has 8 divisors (see below), whose sum is σ = 35921730088640. Its totient is φ = 26940800743920.

The previous prime is 31431224014391. The next prime is 31431224014417. The reversal of 31431224014393 is 39341042213413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31431224014393 - 2¹ = 31431224014391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31431224014391) by changing a digit.

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, 19885398 + ... + 21407743.

It is an arithmetic number, because the mean of its divisors is an integer number (4490216261080).

Almost surely, 2^{31431224014393} is an apocalyptic number.

It is an amenable number.

31431224014393 is a deficient number, since it is larger than the sum of its proper divisors (4490506074247).

31431224014393 is a wasteful number, since it uses less digits than its factorization.

31431224014393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41401887.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 31431224014393 in words is "thirty-one trillion, four hundred thirty-one billion, two hundred twenty-four million, fourteen thousand, three hundred ninety-three".