31444244123153 has 8 divisors (see below), whose sum is σ = 33468219187200. Its totient is φ = 29439637241920.

The previous prime is 31444244123147. The next prime is 31444244123189. The reversal of 31444244123153 is 35132144244413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31444244123153 - 2⁴ = 31444244123137 is a prime.

It is a super-2 number, since 2×31444244123153² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31444244123153.

It is not an unprimeable number, because it can be changed into a prime (31444244123143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4842042353 + ... + 4842048846.

It is an arithmetic number, because the mean of its divisors is an integer number (4183527398400).

Almost surely, 2^{31444244123153} is an apocalyptic number.

It is an amenable number.

31444244123153 is a deficient number, since it is larger than the sum of its proper divisors (2023975064047).

31444244123153 is a wasteful number, since it uses less digits than its factorization.

31444244123153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9684091407.

The product of its digits is 552960, while the sum is 41.

Adding to 31444244123153 its reverse (35132144244413), we get a palindrome (66576388367566).

The spelling of 31444244123153 in words is "thirty-one trillion, four hundred forty-four billion, two hundred forty-four million, one hundred twenty-three thousand, one hundred fifty-three".