31201434224421 has 8 divisors (see below), whose sum is σ = 41602086411840. Its totient is φ = 20800869093312.

The previous prime is 31201434224419. The next prime is 31201434224533. The reversal of 31201434224421 is 12442243410213.

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

It is not a de Polignac number, because 31201434224421 - 2¹ = 31201434224419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31201434224621) 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, 20923156 + ... + 22364733.

It is an arithmetic number, because the mean of its divisors is an integer number (5200260801480).

Almost surely, 2^{31201434224421} is an apocalyptic number.

It is an amenable number.

31201434224421 is a deficient number, since it is larger than the sum of its proper divisors (10400652187419).

31201434224421 is a wasteful number, since it uses less digits than its factorization.

31201434224421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43528155.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 31201434224421 its reverse (12442243410213), we get a palindrome (43643677634634).

The spelling of 31201434224421 in words is "thirty-one trillion, two hundred one billion, four hundred thirty-four million, two hundred twenty-four thousand, four hundred twenty-one".