31420335535001 has 6 divisors (see below), whose sum is σ = 36550186234650. Its totient is φ = 26931716172816.

The previous prime is 31420335534989. The next prime is 31420335535019. The reversal of 31420335535001 is 10053553302413.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16263516168025 + 15156819366976 = 4032805^2 + 3893176^2 .

It is not a de Polignac number, because 31420335535001 - 2¹⁴ = 31420335518617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31420335535051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320615668676 + ... + 320615668773.

It is an arithmetic number, because the mean of its divisors is an integer number (6091697705775).

Almost surely, 2^{31420335535001} is an apocalyptic number.

It is an amenable number.

31420335535001 is a deficient number, since it is larger than the sum of its proper divisors (5129850699649).

31420335535001 is an equidigital number, since it uses as much as digits as its factorization.

31420335535001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641231337463 (or 641231337456 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 31420335535001 its reverse (10053553302413), we get a palindrome (41473888837414).

The spelling of 31420335535001 in words is "thirty-one trillion, four hundred twenty billion, three hundred thirty-five million, five hundred thirty-five thousand, one".