331420140221101 has 16 divisors (see below), whose sum is σ = 339416746297200. Its totient is φ = 323525209190400.

The previous prime is 331420140221083. The next prime is 331420140221113. The reversal of 331420140221101 is 101122041024133.

It can be written as a sum of positive squares in 8 ways, for example, as 15404455372201 + 316015684848900 = 3924851^2 + 17776830^2 .

It is a cyclic number.

It is not a de Polignac number, because 331420140221101 - 2⁵ = 331420140221069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331420140221171) 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, 22874376 + ... + 34439473.

It is an arithmetic number, because the mean of its divisors is an integer number (21213546643575).

Almost surely, 2^{331420140221101} is an apocalyptic number.

It is an amenable number.

331420140221101 is a deficient number, since it is larger than the sum of its proper divisors (7996606076099).

331420140221101 is a wasteful number, since it uses less digits than its factorization.

331420140221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57314736.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 331420140221101 its reverse (101122041024133), we get a palindrome (432542181245234).

The spelling of 331420140221101 in words is "three hundred thirty-one trillion, four hundred twenty billion, one hundred forty million, two hundred twenty-one thousand, one hundred one".