31213424233401 has 8 divisors (see below), whose sum is σ = 41617941584640. Its totient is φ = 20808928185552.

The previous prime is 31213424233399. The next prime is 31213424233423. The reversal of 31213424233401 is 10433242431213.

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

It is not a de Polignac number, because 31213424233401 - 2¹ = 31213424233399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31213424233001) 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, 1518186 + ... + 8045603.

It is an arithmetic number, because the mean of its divisors is an integer number (5202242698080).

Almost surely, 2^{31213424233401} is an apocalyptic number.

It is an amenable number.

31213424233401 is a deficient number, since it is larger than the sum of its proper divisors (10404517351239).

31213424233401 is a wasteful number, since it uses less digits than its factorization.

31213424233401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10651695.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 31213424233401 its reverse (10433242431213), we get a palindrome (41646666664614).

The spelling of 31213424233401 in words is "thirty-one trillion, two hundred thirteen billion, four hundred twenty-four million, two hundred thirty-three thousand, four hundred one".