31244014120 has 128 divisors (see below), whose sum is σ = 77511168000. Its totient is φ = 11240398080.

The previous prime is 31244014103. The next prime is 31244014121. The reversal of 31244014120 is 2141044213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 31244014091 and 31244014100.

It is not an unprimeable number, because it can be changed into a prime (31244014121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21955729 + ... + 21957151.

It is an arithmetic number, because the mean of its divisors is an integer number (605556000).

Almost surely, 2^31244014120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31244014120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38755584000).

31244014120 is an abundant number, since it is smaller than the sum of its proper divisors (46267153880).

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

31244014120 is a wasteful number, since it uses less digits than its factorization.

31244014120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 31244014120 its reverse (2141044213), we get a palindrome (33385058333).

The spelling of 31244014120 in words is "thirty-one billion, two hundred forty-four million, fourteen thousand, one hundred twenty".