31420012324244 has 12 divisors (see below), whose sum is σ = 56881056794100. Its totient is φ = 15168281811648.

The previous prime is 31420012324229. The next prime is 31420012324271. The reversal of 31420012324244 is 44242321002413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7160644179844 + 24259368144400 = 2675938^2 + 4925380^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31420012324244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135431087489 + ... + 135431087720.

It is an arithmetic number, because the mean of its divisors is an integer number (4740088066175).

Almost surely, 2^{31420012324244} is an apocalyptic number.

It is an amenable number.

31420012324244 is a deficient number, since it is larger than the sum of its proper divisors (25461044469856).

31420012324244 is a wasteful number, since it uses less digits than its factorization.

31420012324244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270862175242 (or 270862175240 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 31420012324244 its reverse (44242321002413), we get a palindrome (75662333326657).

The spelling of 31420012324244 in words is "thirty-one trillion, four hundred twenty billion, twelve million, three hundred twenty-four thousand, two hundred forty-four".