Search a number
-
+
3151906631 is a prime number
BaseRepresentation
bin1011101111011110…
…0100011101000111
322010122212110001122
42323313210131013
522423342003011
61240432144155
7141051523106
oct27367443507
98118773048
103151906631
111378195115
1273b69805b
133b3000213
1421c86a03d
15136a9d3db
hexbbde4747

3151906631 has 2 divisors, whose sum is σ = 3151906632. Its totient is φ = 3151906630.

The previous prime is 3151906601. The next prime is 3151906633. The reversal of 3151906631 is 1366091513.

It is a strong prime.

It is an emirp because it is prime and its reverse (1366091513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3151906631 - 218 = 3151644487 is a prime.

It is a super-2 number, since 2×31519066312 = 19869030821083540322, which contains 22 as substring.

Together with 3151906633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3151906591 and 3151906600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3151906633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1575953315 + 1575953316.

It is an arithmetic number, because the mean of its divisors is an integer number (1575953316).

Almost surely, 23151906631 is an apocalyptic number.

3151906631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3151906631 is an equidigital number, since it uses as much as digits as its factorization.

3151906631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 3151906631 is about 56141.8438510885. The cubic root of 3151906631 is about 1466.1929084917.

The spelling of 3151906631 in words is "three billion, one hundred fifty-one million, nine hundred six thousand, six hundred thirty-one".