31414004123221 has 4 divisors (see below), whose sum is σ = 32779830389472. Its totient is φ = 30048177856972.

The previous prime is 31414004123149. The next prime is 31414004123231. The reversal of 31414004123221 is 12232140041413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31414004123221 - 2⁴¹ = 29214980867669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31414004123221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31414004123231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682913133091 + ... + 682913133136.

It is an arithmetic number, because the mean of its divisors is an integer number (8194957597368).

Almost surely, 2^{31414004123221} is an apocalyptic number.

It is an amenable number.

31414004123221 is a deficient number, since it is larger than the sum of its proper divisors (1365826266251).

31414004123221 is a wasteful number, since it uses less digits than its factorization.

31414004123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365826266250.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 31414004123221 its reverse (12232140041413), we get a palindrome (43646144164634).

The spelling of 31414004123221 in words is "thirty-one trillion, four hundred fourteen billion, four million, one hundred twenty-three thousand, two hundred twenty-one".