31232210113444 has 6 divisors (see below), whose sum is σ = 54656367698534. Its totient is φ = 15616105056720.

The previous prime is 31232210113427. The next prime is 31232210113483. The reversal of 31232210113444 is 44431101223213.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29826889960000 + 1405320153444 = 5461400^2 + 1185462^2 .

It is a super-2 number, since 2×31232210113444² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3904026264177 + ... + 3904026264184.

Almost surely, 2^{31232210113444} is an apocalyptic number.

It is an amenable number.

31232210113444 is a deficient number, since it is larger than the sum of its proper divisors (23424157585090).

31232210113444 is a wasteful number, since it uses less digits than its factorization.

31232210113444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808052528365 (or 7808052528363 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 31232210113444 its reverse (44431101223213), we get a palindrome (75663311336657).

The spelling of 31232210113444 in words is "thirty-one trillion, two hundred thirty-two billion, two hundred ten million, one hundred thirteen thousand, four hundred forty-four".