31321331104101 has 16 divisors (see below), whose sum is σ = 43228191688704. Its totient is φ = 20156566336704.

The previous prime is 31321331104099. The next prime is 31321331104127. The reversal of 31321331104101 is 10140113312313.

It is not a de Polignac number, because 31321331104101 - 2¹ = 31321331104099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31321331104171) 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, 1110907770 + ... + 1110935963.

It is an arithmetic number, because the mean of its divisors is an integer number (2701761980544).

Almost surely, 2^{31321331104101} is an apocalyptic number.

It is an amenable number.

31321331104101 is a deficient number, since it is larger than the sum of its proper divisors (11906860584603).

31321331104101 is a wasteful number, since it uses less digits than its factorization.

31321331104101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221843900.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 31321331104101 its reverse (10140113312313), we get a palindrome (41461444416414).

The spelling of 31321331104101 in words is "thirty-one trillion, three hundred twenty-one billion, three hundred thirty-one million, one hundred four thousand, one hundred one".