31244410140140 has 24 divisors (see below), whose sum is σ = 66193909629120. Its totient is φ = 12387164373248.

The previous prime is 31244410140091. The next prime is 31244410140197. The reversal of 31244410140140 is 4104101444213.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6912477860 + ... + 6912482379.

It is an arithmetic number, because the mean of its divisors is an integer number (2758079567880).

Almost surely, 2^{31244410140140} is an apocalyptic number.

It is an amenable number.

31244410140140 is an abundant number, since it is smaller than the sum of its proper divisors (34949499488980).

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

31244410140140 is a wasteful number, since it uses less digits than its factorization.

31244410140140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13824960361 (or 13824960359 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 31244410140140 its reverse (4104101444213), we get a palindrome (35348511584353).

The spelling of 31244410140140 in words is "thirty-one trillion, two hundred forty-four billion, four hundred ten million, one hundred forty thousand, one hundred forty".