31441142024220 has 48 divisors (see below), whose sum is σ = 91070894144160. Its totient is φ = 8095190589696.

The previous prime is 31441142024219. The next prime is 31441142024239. The reversal of 31441142024220 is 2242024114413.

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

It is a congruent 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, 9034809187 + ... + 9034812666.

It is an arithmetic number, because the mean of its divisors is an integer number (1897310294670).

Almost surely, 2^{31441142024220} is an apocalyptic number.

31441142024220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31441142024220 is an abundant number, since it is smaller than the sum of its proper divisors (59629752119940).

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

31441142024220 is a wasteful number, since it uses less digits than its factorization.

31441142024220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18069621894 (or 18069621892 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 31441142024220 its reverse (2242024114413), we get a palindrome (33683166138633).

The spelling of 31441142024220 in words is "thirty-one trillion, four hundred forty-one billion, one hundred forty-two million, twenty-four thousand, two hundred twenty".