31241454330 has 128 divisors (see below), whose sum is σ = 79958534400. Its totient is φ = 7789824000.

The previous prime is 31241454317. The next prime is 31241454379. The reversal of 31241454330 is 3345414213.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon 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 63 ways as a sum of consecutive naturals, for example, 24236326 + ... + 24237614.

It is an arithmetic number, because the mean of its divisors is an integer number (624676050).

Almost surely, 2^31241454330 is an apocalyptic number.

31241454330 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 31241454330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39979267200).

31241454330 is an abundant number, since it is smaller than the sum of its proper divisors (48717080070).

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

31241454330 is a wasteful number, since it uses less digits than its factorization.

31241454330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 31241454330 its reverse (3345414213), we get a palindrome (34586868543).

The spelling of 31241454330 in words is "thirty-one billion, two hundred forty-one million, four hundred fifty-four thousand, three hundred thirty".