31240111241130 has 192 divisors, whose sum is σ = 84342459358080. Its totient is φ = 7396010012160.

The previous prime is 31240111241111. The next prime is 31240111241137. The reversal of 31240111241130 is 3114211104213.

It is a self number, because there is not a number n which added to its sum of digits gives 31240111241130.

It is not an unprimeable number, because it can be changed into a prime (31240111241137) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1238249356 + ... + 1238274584.

It is an arithmetic number, because the mean of its divisors is an integer number (439283642490).

Almost surely, 2^{31240111241130} is an apocalyptic number.

31240111241130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31240111241130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42171229679040).

31240111241130 is an abundant number, since it is smaller than the sum of its proper divisors (53102348116950).

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

31240111241130 is a wasteful number, since it uses less digits than its factorization.

31240111241130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33237 (or 33226 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 31240111241130 its reverse (3114211104213), we get a palindrome (34354322345343).

The spelling of 31240111241130 in words is "thirty-one trillion, two hundred forty billion, one hundred eleven million, two hundred forty-one thousand, one hundred thirty".