31432144024420 has 48 divisors (see below), whose sum is σ = 68226313591296. Its totient is φ = 12151292832000.

The previous prime is 31432144024387. The next prime is 31432144024559. The reversal of 31432144024420 is 2442044123413.

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, 32837646 + ... + 33781285.

It is an arithmetic number, because the mean of its divisors is an integer number (1421381533152).

Almost surely, 2^{31432144024420} is an apocalyptic number.

It is an amenable number.

31432144024420 is an abundant number, since it is smaller than the sum of its proper divisors (36794169566876).

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

31432144024420 is a wasteful number, since it uses less digits than its factorization.

31432144024420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66619732 (or 66619730 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 31432144024420 its reverse (2442044123413), we get a palindrome (33874188147833).

The spelling of 31432144024420 in words is "thirty-one trillion, four hundred thirty-two billion, one hundred forty-four million, twenty-four thousand, four hundred twenty".