31201432043441 has 8 divisors (see below), whose sum is σ = 34234676884224. Its totient is φ = 28200979039120.

The previous prime is 31201432043429. The next prime is 31201432043471. The reversal of 31201432043441 is 14434023410213.

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 31201432043441 - 2¹⁸ = 31201431781297 is a prime.

It is a super-2 number, since 2×31201432043441² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31201432043398 and 31201432043407.

It is not an unprimeable number, because it can be changed into a prime (31201432043471) 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, 8197957121 + ... + 8197960926.

It is an arithmetic number, because the mean of its divisors is an integer number (4279334610528).

Almost surely, 2^{31201432043441} is an apocalyptic number.

It is an amenable number.

31201432043441 is a deficient number, since it is larger than the sum of its proper divisors (3033244840783).

31201432043441 is a wasteful number, since it uses less digits than its factorization.

31201432043441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16395918231.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 31201432043441 its reverse (14434023410213), we get a palindrome (45635455453654).

The spelling of 31201432043441 in words is "thirty-one trillion, two hundred one billion, four hundred thirty-two million, forty-three thousand, four hundred forty-one".