31441411144 has 64 divisors (see below), whose sum is σ = 70869839040. Its totient is φ = 12885384960.

The previous prime is 31441411129. The next prime is 31441411193. The reversal of 31441411144 is 44111414413.

It is a happy number.

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, 270387 + ... + 368770.

It is an arithmetic number, because the mean of its divisors is an integer number (1107341235).

Almost surely, 2^31441411144 is an apocalyptic number.

It is an amenable number.

31441411144 is an abundant number, since it is smaller than the sum of its proper divisors (39428427896).

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

31441411144 is a wasteful number, since it uses less digits than its factorization.

31441411144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639230 (or 639226 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

Adding to 31441411144 its reverse (44111414413), we get a palindrome (75552825557).

The spelling of 31441411144 in words is "thirty-one billion, four hundred forty-one million, four hundred eleven thousand, one hundred forty-four".