31220034324101 has 16 divisors (see below), whose sum is σ = 35754844464000. Its totient is φ = 26703944345088.

The previous prime is 31220034324091. The next prime is 31220034324139. The reversal of 31220034324101 is 10142343002213.

It is a cyclic number.

It is not a de Polignac number, because 31220034324101 - 2³⁴ = 31202854454917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31220034321101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19166285 + ... + 20731293.

It is an arithmetic number, because the mean of its divisors is an integer number (2234677779000).

Almost surely, 2^{31220034324101} is an apocalyptic number.

It is an amenable number.

31220034324101 is a deficient number, since it is larger than the sum of its proper divisors (4534810139899).

31220034324101 is a wasteful number, since it uses less digits than its factorization.

31220034324101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570988.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31220034324101 its reverse (10142343002213), we get a palindrome (41362377326314).

The spelling of 31220034324101 in words is "thirty-one trillion, two hundred twenty billion, thirty-four million, three hundred twenty-four thousand, one hundred one".