31241200003240 has 64 divisors (see below), whose sum is σ = 71470889674560. Its totient is φ = 12288058421760.

The previous prime is 31241200003159. The next prime is 31241200003259. The reversal of 31241200003240 is 4230000214213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15195174 + ... + 17128213.

It is an arithmetic number, because the mean of its divisors is an integer number (1116732651165).

Almost surely, 2^{31241200003240} is an apocalyptic number.

It is an amenable number.

31241200003240 is an abundant number, since it is smaller than the sum of its proper divisors (40229689671320).

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

31241200003240 is a wasteful number, since it uses less digits than its factorization.

31241200003240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32323802 (or 32323798 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31241200003240 its reverse (4230000214213), we get a palindrome (35471200217453).

The spelling of 31241200003240 in words is "thirty-one trillion, two hundred forty-one billion, two hundred million, three thousand, two hundred forty".