3140012321 has 4 divisors (see below), whose sum is σ = 3140124672. Its totient is φ = 3139899972.

The previous prime is 3140012299. The next prime is 3140012339. The reversal of 3140012321 is 1232100413.

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 3140012321 - 2¹⁸ = 3139750177 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 3140012321.

It is not an unprimeable number, because it can be changed into a prime (3140012341) 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, 22160 + ... + 82286.

It is an arithmetic number, because the mean of its divisors is an integer number (785031168).

Almost surely, 2^3140012321 is an apocalyptic number.

It is an amenable number.

3140012321 is a deficient number, since it is larger than the sum of its proper divisors (112351).

3140012321 is an equidigital number, since it uses as much as digits as its factorization.

3140012321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112350.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3140012321 is about 56035.8128432166. The cubic root of 3140012321 is about 1464.3462658071.

Adding to 3140012321 its reverse (1232100413), we get a palindrome (4372112734).

The spelling of 3140012321 in words is "three billion, one hundred forty million, twelve thousand, three hundred twenty-one".