31240441013504 has 36 divisors (see below), whose sum is σ = 62362482727776. Its totient is φ = 15619310310912.

The previous prime is 31240441013501. The next prime is 31240441013519. The reversal of 31240441013504 is 40531014404213.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31240441013501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857117 + ... + 7950819.

Almost surely, 2^{31240441013504} is an apocalyptic number.

It is an amenable number.

31240441013504 is a deficient number, since it is larger than the sum of its proper divisors (31122041714272).

31240441013504 is an equidigital number, since it uses as much as digits as its factorization.

31240441013504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110922 (or 7110908 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 31240441013504 its reverse (40531014404213), we get a palindrome (71771455417717).

The spelling of 31240441013504 in words is "thirty-one trillion, two hundred forty billion, four hundred forty-one million, thirteen thousand, five hundred four".