3401310661 has 4 divisors (see below), whose sum is σ = 3887212192. Its totient is φ = 2915409132.

The previous prime is 3401310641. The next prime is 3401310691. The reversal of 3401310661 is 1660131043.

It is a happy number.

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 3401310661 - 2⁵ = 3401310629 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 (3401310641) 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, 242950755 + ... + 242950768.

It is an arithmetic number, because the mean of its divisors is an integer number (971803048).

Almost surely, 2^3401310661 is an apocalyptic number.

It is an amenable number.

3401310661 is a deficient number, since it is larger than the sum of its proper divisors (485901531).

3401310661 is an equidigital number, since it uses as much as digits as its factorization.

3401310661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485901530.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3401310661 is about 58320.7566909072. The cubic root of 3401310661 is about 1503.8877903886.

The spelling of 3401310661 in words is "three billion, four hundred one million, three hundred ten thousand, six hundred sixty-one".