31444010120 has 32 divisors (see below), whose sum is σ = 70841093400. Its totient is φ = 12561235968.

The previous prime is 31444010063. The next prime is 31444010123. The reversal of 31444010120 is 2101044413.

It can be written as a sum of positive squares in 4 ways, for example, as 29867443684 + 1576566436 = 172822^2 + 39706^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 31444010092 and 31444010101.

It is not an unprimeable number, because it can be changed into a prime (31444010123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480359 + ... + 541878.

Almost surely, 2^31444010120 is an apocalyptic number.

It is an amenable number.

31444010120 is an abundant number, since it is smaller than the sum of its proper divisors (39397083280).

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

31444010120 is a wasteful number, since it uses less digits than its factorization.

31444010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023017 (or 1023013 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31444010120 its reverse (2101044413), we get a palindrome (33545054533).

The spelling of 31444010120 in words is "thirty-one billion, four hundred forty-four million, ten thousand, one hundred twenty".