31431224014311 has 16 divisors (see below), whose sum is σ = 46690870491648. Its totient is φ = 18643923979200.

The previous prime is 31431224014303. The next prime is 31431224014321. The reversal of 31431224014311 is 11341042213413.

It is not a de Polignac number, because 31431224014311 - 2³ = 31431224014303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31431224014321) 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, 10132565830 + ... + 10132568931.

It is an arithmetic number, because the mean of its divisors is an integer number (2918179405728).

Almost surely, 2^{31431224014311} is an apocalyptic number.

31431224014311 is a deficient number, since it is larger than the sum of its proper divisors (15259646477337).

31431224014311 is a wasteful number, since it uses less digits than its factorization.

31431224014311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20265134822.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 31431224014311 its reverse (11341042213413), we get a palindrome (42772266227724).

The spelling of 31431224014311 in words is "thirty-one trillion, four hundred thirty-one billion, two hundred twenty-four million, fourteen thousand, three hundred eleven".