31440224102 has 16 divisors (see below), whose sum is σ = 53902236672. Its totient is φ = 13473204360.

The previous prime is 31440224093. The next prime is 31440224117. The reversal of 31440224102 is 20142204413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78827 + ... + 262857.

It is an arithmetic number, because the mean of its divisors is an integer number (3368889792).

Almost surely, 2^31440224102 is an apocalyptic number.

31440224102 is a deficient number, since it is larger than the sum of its proper divisors (22462012570).

31440224102 is a wasteful number, since it uses less digits than its factorization.

31440224102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196243.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 31440224102 its reverse (20142204413), we get a palindrome (51582428515).

The spelling of 31440224102 in words is "thirty-one billion, four hundred forty million, two hundred twenty-four thousand, one hundred two".