2231430311 has 4 divisors (see below), whose sum is σ = 2434287624. Its totient is φ = 2028573000.

The previous prime is 2231430283. The next prime is 2231430337. The reversal of 2231430311 is 1130341322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2231430311 - 2⁶ = 2231430247 is a prime.

It is a super-3 number, since 3×2231430311³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231430011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101428640 + ... + 101428661.

It is an arithmetic number, because the mean of its divisors is an integer number (608571906).

Almost surely, 2^2231430311 is an apocalyptic number.

2231430311 is a deficient number, since it is larger than the sum of its proper divisors (202857313).

2231430311 is a wasteful number, since it uses less digits than its factorization.

2231430311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202857312.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2231430311 is about 47238.0176446895. The cubic root of 2231430311 is about 1306.7558190146.

Adding to 2231430311 its reverse (1130341322), we get a palindrome (3361771633).

It can be divided in two parts, 22314 and 30311, that added together give a palindrome (52625).

The spelling of 2231430311 in words is "two billion, two hundred thirty-one million, four hundred thirty thousand, three hundred eleven".