31244303121044 has 48 divisors (see below), whose sum is σ = 60905305493760. Its totient is φ = 13932139656960.

The previous prime is 31244303121037. The next prime is 31244303121077. The reversal of 31244303121044 is 44012130344213.

It is a self number, because there is not a number n which added to its sum of digits gives 31244303121044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70920824 + ... + 71360015.

It is an arithmetic number, because the mean of its divisors is an integer number (1268860531120).

Almost surely, 2^{31244303121044} is an apocalyptic number.

It is an amenable number.

31244303121044 is a deficient number, since it is larger than the sum of its proper divisors (29661002372716).

31244303121044 is a wasteful number, since it uses less digits than its factorization.

31244303121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142281000 (or 142280998 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 31244303121044 its reverse (44012130344213), we get a palindrome (75256433465257).

The spelling of 31244303121044 in words is "thirty-one trillion, two hundred forty-four billion, three hundred three million, one hundred twenty-one thousand, forty-four".