31114105221 has 8 divisors (see below), whose sum is σ = 41559956064. Its totient is φ = 20705495600.

The previous prime is 31114105201. The next prime is 31114105229. The reversal of 31114105221 is 12250141113.

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 31114105221 - 2¹¹ = 31114103173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31114105229) 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, 9308355 + ... + 9311696.

It is an arithmetic number, because the mean of its divisors is an integer number (5194994508).

Almost surely, 2^31114105221 is an apocalyptic number.

It is an amenable number.

31114105221 is a deficient number, since it is larger than the sum of its proper divisors (10445850843).

31114105221 is a wasteful number, since it uses less digits than its factorization.

31114105221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18620611.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 31114105221 its reverse (12250141113), we get a palindrome (43364246334).

The spelling of 31114105221 in words is "thirty-one billion, one hundred fourteen million, one hundred five thousand, two hundred twenty-one".