31443024442121 has 8 divisors (see below), whose sum is σ = 31699748398080. Its totient is φ = 31186443315888.

The previous prime is 31443024442103. The next prime is 31443024442169. The reversal of 31443024442121 is 12124442034413.

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 31443024442121 - 2¹⁴ = 31443024425737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31443024444121) 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, 35265326 + ... + 36145943.

It is an arithmetic number, because the mean of its divisors is an integer number (3962468549760).

Almost surely, 2^{31443024442121} is an apocalyptic number.

It is an amenable number.

31443024442121 is a deficient number, since it is larger than the sum of its proper divisors (256723955959).

31443024442121 is a wasteful number, since it uses less digits than its factorization.

31443024442121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71414863.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 31443024442121 its reverse (12124442034413), we get a palindrome (43567466476534).

The spelling of 31443024442121 in words is "thirty-one trillion, four hundred forty-three billion, twenty-four million, four hundred forty-two thousand, one hundred twenty-one".