31031041744 has 40 divisors (see below), whose sum is σ = 62893420992. Its totient is φ = 14803852800.

The previous prime is 31031041729. The next prime is 31031041751. The reversal of 31031041744 is 44714013013.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42427 + ... + 252709.

Almost surely, 2^31031041744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31031041744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31446710496).

31031041744 is an abundant number, since it is smaller than the sum of its proper divisors (31862379248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31031041744 is a wasteful number, since it uses less digits than its factorization.

31031041744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210715 (or 210709 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 31031041744 its reverse (44714013013), we get a palindrome (75745054757).

The spelling of 31031041744 in words is "thirty-one billion, thirty-one million, forty-one thousand, seven hundred forty-four".