31241022112240 has 160 divisors (see below), whose sum is σ = 76498157376000. Its totient is φ = 11847873967104.

The previous prime is 31241022112217. The next prime is 31241022112249. The reversal of 31241022112240 is 4221122014213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31241022112249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124024341 + ... + 124275979.

It is an arithmetic number, because the mean of its divisors is an integer number (478113483600).

Almost surely, 2^{31241022112240} 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 31241022112240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38249078688000).

31241022112240 is an abundant number, since it is smaller than the sum of its proper divisors (45257135263760).

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

31241022112240 is a wasteful number, since it uses less digits than its factorization.

31241022112240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252647 (or 252641 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 31241022112240 its reverse (4221122014213), we get a palindrome (35462144126453).

The spelling of 31241022112240 in words is "thirty-one trillion, two hundred forty-one billion, twenty-two million, one hundred twelve thousand, two hundred forty".