31241012430 has 32 divisors (see below), whose sum is σ = 74987524224. Its totient is φ = 8329926176.

The previous prime is 31241012417. The next prime is 31241012431. The reversal of 31241012430 is 3421014213.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31241012397 and 31241012406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31241012431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207289 + ... + 324731.

It is an arithmetic number, because the mean of its divisors is an integer number (2343360132).

Almost surely, 2^31241012430 is an apocalyptic number.

31241012430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31241012430 is an abundant number, since it is smaller than the sum of its proper divisors (43746511794).

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

31241012430 is a wasteful number, since it uses less digits than its factorization.

31241012430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126320.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31241012430 its reverse (3421014213), we get a palindrome (34662026643).

The spelling of 31241012430 in words is "thirty-one billion, two hundred forty-one million, twelve thousand, four hundred thirty".