3119621113 has 6 divisors (see below), whose sum is σ = 3628947066. Its totient is φ = 2673960912.

The previous prime is 3119621083. The next prime is 3119621117. The reversal of 3119621113 is 3111269113.

It can be written as a sum of positive squares in only one way, i.e., 3119557609 + 63504 = 55853^2 + 252^2 .

It is not a de Polignac number, because 3119621113 - 2²¹ = 3117523961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3119621117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31832820 + ... + 31832917.

It is an arithmetic number, because the mean of its divisors is an integer number (604824511).

Almost surely, 2^3119621113 is an apocalyptic number.

It is an amenable number.

3119621113 is a deficient number, since it is larger than the sum of its proper divisors (509325953).

3119621113 is an equidigital number, since it uses as much as digits as its factorization.

3119621113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63665751 (or 63665744 counting only the distinct ones).

The product of its digits is 972, while the sum is 28.

The square root of 3119621113 is about 55853.5684893991. The cubic root of 3119621113 is about 1461.1695627851.

The spelling of 3119621113 in words is "three billion, one hundred nineteen million, six hundred twenty-one thousand, one hundred thirteen".