3113953961 has 4 divisors (see below), whose sum is σ = 3115593924. Its totient is φ = 3112314000.

The previous prime is 3113953957. The next prime is 3113953963. The reversal of 3113953961 is 1693593113.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1057875625 + 2056078336 = 32525^2 + 45344^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113953961 - 2² = 3113953957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113953963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817130 + ... + 820931.

It is an arithmetic number, because the mean of its divisors is an integer number (778898481).

Almost surely, 2^3113953961 is an apocalyptic number.

It is an amenable number.

3113953961 is a deficient number, since it is larger than the sum of its proper divisors (1639963).

3113953961 is a wasteful number, since it uses less digits than its factorization.

3113953961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639962.

The product of its digits is 65610, while the sum is 41.

The square root of 3113953961 is about 55802.8131996945. The cubic root of 3113953961 is about 1460.2842320520.

The spelling of 3113953961 in words is "three billion, one hundred thirteen million, nine hundred fifty-three thousand, nine hundred sixty-one".