Search a number
-
+
3131411313 = 31043803771
BaseRepresentation
bin1011101010100101…
…1000101101110001
322002020022011202210
42322221120231301
522403120130223
61234421002333
7140412362022
oct27251305561
98066264683
103131411313
111367666738
127348533a9
133ab9a5504
14219c52c49
15134da0893
hexbaa58b71

3131411313 has 4 divisors (see below), whose sum is σ = 4175215088. Its totient is φ = 2087607540.

The previous prime is 3131411249. The next prime is 3131411323. The reversal of 3131411313 is 3131141313.

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 not a de Polignac number, because 3131411313 - 26 = 3131411249 is a prime.

It is a super-2 number, since 2×31314113132 = 19611473622368767938, which contains 22 as substring.

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 3131411313.

It is not an unprimeable number, because it can be changed into a prime (3131411323) 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, 521901883 + ... + 521901888.

It is an arithmetic number, because the mean of its divisors is an integer number (1043803772).

Almost surely, 23131411313 is an apocalyptic number.

It is an amenable number.

3131411313 is a deficient number, since it is larger than the sum of its proper divisors (1043803775).

3131411313 is a wasteful number, since it uses less digits than its factorization.

3131411313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043803774.

The product of its digits is 324, while the sum is 21.

The square root of 3131411313 is about 55959.0145821029. The cubic root of 3131411313 is about 1463.0080150849.

Adding to 3131411313 its reverse (3131141313), we get a palindrome (6262552626).

The spelling of 3131411313 in words is "three billion, one hundred thirty-one million, four hundred eleven thousand, three hundred thirteen".

Divisors: 1 3 1043803771 3131411313