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3131314429 is a prime number
BaseRepresentation
bin1011101010100100…
…0001000011111101
322002020010020212111
42322221001003331
522403104030204
61234414534021
7140411506405
oct27251010375
98066106774
103131314429
1113675aa971
12734807311
133ab970399
14219c29805
15134d81d04
hexbaa410fd

3131314429 has 2 divisors, whose sum is σ = 3131314430. Its totient is φ = 3131314428.

The previous prime is 3131314427. The next prime is 3131314451. The reversal of 3131314429 is 9244131313.

3131314429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2967525625 + 163788804 = 54475^2 + 12798^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131314429 - 21 = 3131314427 is a prime.

Together with 3131314427, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3131314429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131314423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565657214 + 1565657215.

It is an arithmetic number, because the mean of its divisors is an integer number (1565657215).

Almost surely, 23131314429 is an apocalyptic number.

It is an amenable number.

3131314429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131314429 is an equidigital number, since it uses as much as digits as its factorization.

3131314429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 3131314429 is about 55958.1489061245. The cubic root of 3131314429 is about 1462.9929267306.

The spelling of 3131314429 in words is "three billion, one hundred thirty-one million, three hundred fourteen thousand, four hundred twenty-nine".