31441113314220 has 48 divisors (see below), whose sum is σ = 91070810984160. Its totient is φ = 8095183197696.

The previous prime is 31441113314179. The next prime is 31441113314227. The reversal of 31441113314220 is 2241331114413.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (31441113314227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9034800937 + ... + 9034804416.

It is an arithmetic number, because the mean of its divisors is an integer number (1897308562170).

Almost surely, 2^{31441113314220} is an apocalyptic number.

31441113314220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31441113314220 is an abundant number, since it is smaller than the sum of its proper divisors (59629697669940).

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

31441113314220 is a wasteful number, since it uses less digits than its factorization.

31441113314220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18069605394 (or 18069605392 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 31441113314220 its reverse (2241331114413), we get a palindrome (33682444428633).

The spelling of 31441113314220 in words is "thirty-one trillion, four hundred forty-one billion, one hundred thirteen million, three hundred fourteen thousand, two hundred twenty".