2311231201 has 4 divisors (see below), whose sum is σ = 2311328304. Its totient is φ = 2311134100.

The previous prime is 2311231171. The next prime is 2311231207. The reversal of 2311231201 is 1021321132.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2311231201 - 2¹³ = 2311223009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311231207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14106 + ... + 69436.

It is an arithmetic number, because the mean of its divisors is an integer number (577832076).

Almost surely, 2^2311231201 is an apocalyptic number.

It is an amenable number.

2311231201 is a deficient number, since it is larger than the sum of its proper divisors (97103).

2311231201 is an equidigital number, since it uses as much as digits as its factorization.

2311231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97102.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2311231201 is about 48075.2660003041. The cubic root of 2311231201 is about 1322.1512215218.

Adding to 2311231201 its reverse (1021321132), we get a palindrome (3332552333).

It can be divided in two parts, 231123 and 1201, that added together give a square (232324 = 482²).

The spelling of 2311231201 in words is "two billion, three hundred eleven million, two hundred thirty-one thousand, two hundred one".