31433134123225 has 12 divisors (see below), whose sum is σ = 39712503037356. Its totient is φ = 24672044895680.

The previous prime is 31433134123207. The next prime is 31433134123231. The reversal of 31433134123225 is 52232143133413.

It can be written as a sum of positive squares in 6 ways, for example, as 2236197233664 + 29196936889561 = 1495392^2 + 5403419^2 .

It is not a de Polignac number, because 31433134123225 - 2²³ = 31433125734617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11861558722 + ... + 11861561371.

It is an arithmetic number, because the mean of its divisors is an integer number (3309375253113).

Almost surely, 2^{31433134123225} is an apocalyptic number.

It is an amenable number.

31433134123225 is a deficient number, since it is larger than the sum of its proper divisors (8279368914131).

31433134123225 is a wasteful number, since it uses less digits than its factorization.

31433134123225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23723120156 (or 23723120151 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

Adding to 31433134123225 its reverse (52232143133413), we get a palindrome (83665277256638).

The spelling of 31433134123225 in words is "thirty-one trillion, four hundred thirty-three billion, one hundred thirty-four million, one hundred twenty-three thousand, two hundred twenty-five".