3140012261 has 4 divisors (see below), whose sum is σ = 3140428224. Its totient is φ = 3139596300.

The previous prime is 3140012221. The next prime is 3140012297. The reversal of 3140012261 is 1622100413.

3140012261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3140012261 - 2²⁶ = 3072903397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140012201) 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, 196445 + ... + 211826.

It is an arithmetic number, because the mean of its divisors is an integer number (785107056).

Almost surely, 2^3140012261 is an apocalyptic number.

It is an amenable number.

3140012261 is a deficient number, since it is larger than the sum of its proper divisors (415963).

3140012261 is an equidigital number, since it uses as much as digits as its factorization.

3140012261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415962.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3140012261 is about 56035.8123078447. The cubic root of 3140012261 is about 1464.3462564801.

Adding to 3140012261 its reverse (1622100413), we get a palindrome (4762112674).

The spelling of 3140012261 in words is "three billion, one hundred forty million, twelve thousand, two hundred sixty-one".