31023230201 has 4 divisors (see below), whose sum is σ = 31116956304. Its totient is φ = 30929504100.

The previous prime is 31023230179. The next prime is 31023230221. The reversal of 31023230201 is 10203232013.

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 31023230201 - 2⁶ = 31023230137 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 31023230201.

It is not an unprimeable number, because it can be changed into a prime (31023230221) 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, 46862555 + ... + 46863216.

It is an arithmetic number, because the mean of its divisors is an integer number (7779239076).

Almost surely, 2^31023230201 is an apocalyptic number.

It is an amenable number.

31023230201 is a deficient number, since it is larger than the sum of its proper divisors (93726103).

31023230201 is an equidigital number, since it uses as much as digits as its factorization.

31023230201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93726102.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31023230201 its reverse (10203232013), we get a palindrome (41226462214).

The spelling of 31023230201 in words is "thirty-one billion, twenty-three million, two hundred thirty thousand, two hundred one".