31431024044311 has 16 divisors (see below), whose sum is σ = 31975988236128. Its totient is φ = 30887023104000.

The previous prime is 31431024044261. The next prime is 31431024044317. The reversal of 31431024044311 is 11344042013413.

It is a cyclic number.

It is not a de Polignac number, because 31431024044311 - 2¹³ = 31431024036119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31431024044317) 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, 1377515175 + ... + 1377537991.

It is an arithmetic number, because the mean of its divisors is an integer number (1998499264758).

Almost surely, 2^{31431024044311} is an apocalyptic number.

31431024044311 is a deficient number, since it is larger than the sum of its proper divisors (544964191817).

31431024044311 is a wasteful number, since it uses less digits than its factorization.

31431024044311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42882.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 31431024044311 its reverse (11344042013413), we get a palindrome (42775066057724).

The spelling of 31431024044311 in words is "thirty-one trillion, four hundred thirty-one billion, twenty-four million, forty-four thousand, three hundred eleven".