31421554422001 has 16 divisors (see below), whose sum is σ = 33325756979328. Its totient is φ = 29562205305600.

The previous prime is 31421554421989. The next prime is 31421554422017. The reversal of 31421554422001 is 10022445512413.

It is a cyclic number.

It is not a de Polignac number, because 31421554422001 - 2²¹ = 31421552324849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31421554422091) 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, 108842290 + ... + 109130596.

It is an arithmetic number, because the mean of its divisors is an integer number (2082859811208).

Almost surely, 2^{31421554422001} is an apocalyptic number.

It is an amenable number.

31421554422001 is a deficient number, since it is larger than the sum of its proper divisors (1904202557327).

31421554422001 is a wasteful number, since it uses less digits than its factorization.

31421554422001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366072.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 31421554422001 its reverse (10022445512413), we get a palindrome (41443999934414).

The spelling of 31421554422001 in words is "thirty-one trillion, four hundred twenty-one billion, five hundred fifty-four million, four hundred twenty-two thousand, one".