31241041000 has 128 divisors (see below), whose sum is σ = 80404047360. Its totient is φ = 11289504000.

The previous prime is 31241040977. The next prime is 31241041003. The reversal of 31241041000 is 14014213.

It is not an unprimeable number, because it can be changed into a prime (31241041003) 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, 585435 + ... + 636565.

It is an arithmetic number, because the mean of its divisors is an integer number (628156620).

Almost surely, 2^31241041000 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 31241041000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40202023680).

31241041000 is an abundant number, since it is smaller than the sum of its proper divisors (49163006360).

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

31241041000 is a wasteful number, since it uses less digits than its factorization.

31241041000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51212 (or 51198 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 31241041000 its reverse (14014213), we get a palindrome (31255055213).

The spelling of 31241041000 in words is "thirty-one billion, two hundred forty-one million, forty-one thousand".