31232210213101 has 8 divisors (see below), whose sum is σ = 32312075033880. Its totient is φ = 30152538196032.

The previous prime is 31232210213059. The next prime is 31232210213107. The reversal of 31232210213101 is 10131201223213.

It can be written as a sum of positive squares in 4 ways, for example, as 13034085575625 + 18198124637476 = 3610275^2 + 4265926^2 .

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 31232210213101 - 2²³ = 31232201824493 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 (31232210213107) 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, 47871310 + ... + 48519343.

It is an arithmetic number, because the mean of its divisors is an integer number (4039009379235).

Almost surely, 2^{31232210213101} is an apocalyptic number.

It is an amenable number.

31232210213101 is a deficient number, since it is larger than the sum of its proper divisors (1079864820779).

31232210213101 is a wasteful number, since it uses less digits than its factorization.

31232210213101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96401855.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31232210213101 its reverse (10131201223213), we get a palindrome (41363411436314).

The spelling of 31232210213101 in words is "thirty-one trillion, two hundred thirty-two billion, two hundred ten million, two hundred thirteen thousand, one hundred one".