31330332230201 has 4 divisors (see below), whose sum is σ = 31330399701504. Its totient is φ = 31330264758900.

The previous prime is 31330332230179. The next prime is 31330332230279. The reversal of 31330332230201 is 10203223303313.

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 a de Polignac number, because none of the positive numbers 2^k-31330332230201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31330332230291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33034265 + ... + 33969446.

It is an arithmetic number, because the mean of its divisors is an integer number (7832599925376).

Almost surely, 2^{31330332230201} is an apocalyptic number.

It is an amenable number.

31330332230201 is a deficient number, since it is larger than the sum of its proper divisors (67471303).

31330332230201 is an equidigital number, since it uses as much as digits as its factorization.

31330332230201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67471302.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 31330332230201 its reverse (10203223303313), we get a palindrome (41533555533514).

The spelling of 31330332230201 in words is "thirty-one trillion, three hundred thirty billion, three hundred thirty-two million, two hundred thirty thousand, two hundred one".